Home / 85,671,592.27-128,580,767.70-85,026,732.19

Finding the Fourth Proportional to 85,671,592.27, 128,580,767.70 and 85,026,732.19

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Solution

The fourth proportional to 85,671,592.27, 128,580,767.70 and 85,026,732.19 is: 127,612,925.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,671,592.27 : 128,580,767.70 = 85,026,732.19 : x
  2. Step 2: Convert to fraction form
    85,671,592.27/128,580,767.70 = 85,026,732.19/x
  3. Step 3: Cross multiply
    85,671,592.27x = 128,580,767.70 × 85,026,732.19
  4. Step 4: Simplify right side
    85,671,592.27x = 10,932,802,500,012,502
  5. Step 5: Solve for x
    x = 10,932,802,500,012,502/85,671,592.27
  6. Step 6: Final answer
    x = 127,612,925.25

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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.