Home / 123,702,364.98-170,712,210.78-67,948,953.12

Finding the Fourth Proportional to 123,702,364.98, 170,712,210.78 and 67,948,953.12

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Solution

The fourth proportional to 123,702,364.98, 170,712,210.78 and 67,948,953.12 is: 93,771,174.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,702,364.98 : 170,712,210.78 = 67,948,953.12 : x
  2. Step 2: Convert to fraction form
    123,702,364.98/170,712,210.78 = 67,948,953.12/x
  3. Step 3: Cross multiply
    123,702,364.98x = 170,712,210.78 × 67,948,953.12
  4. Step 4: Simplify right side
    123,702,364.98x = 11,599,716,007,301,780
  5. Step 5: Solve for x
    x = 11,599,716,007,301,780/123,702,364.98
  6. Step 6: Final answer
    x = 93,771,174.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.