Home / 81,905,965,437.07-122,858,948,155.74-23,018,051,109.07

Finding the Fourth Proportional to 81,905,965,437.07, 122,858,948,155.74 and 23,018,051,109.07

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Solution

The fourth proportional to 81,905,965,437.07, 122,858,948,155.74 and 23,018,051,109.07 is: 34,527,076,663.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,905,965,437.07 : 122,858,948,155.74 = 23,018,051,109.07 : x
  2. Step 2: Convert to fraction form
    81,905,965,437.07/122,858,948,155.74 = 23,018,051,109.07/x
  3. Step 3: Cross multiply
    81,905,965,437.07x = 122,858,948,155.74 × 23,018,051,109.07
  4. Step 4: Simplify right side
    81,905,965,437.07x = 2,827,973,547,855,404,597,248
  5. Step 5: Solve for x
    x = 2,827,973,547,855,404,597,248/81,905,965,437.07
  6. Step 6: Final answer
    x = 34,527,076,663.64

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.