Home / 74,730,624.80-103,036,640.30-61,453,402.47

Finding the Fourth Proportional to 74,730,624.80, 103,036,640.30 and 61,453,402.47

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Solution

The fourth proportional to 74,730,624.80, 103,036,640.30 and 61,453,402.47 is: 84,730,351.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,730,624.80 : 103,036,640.30 = 61,453,402.47 : x
  2. Step 2: Convert to fraction form
    74,730,624.80/103,036,640.30 = 61,453,402.47/x
  3. Step 3: Cross multiply
    74,730,624.80x = 103,036,640.30 × 61,453,402.47
  4. Step 4: Simplify right side
    74,730,624.80x = 6,331,952,125,666,155
  5. Step 5: Solve for x
    x = 6,331,952,125,666,155/74,730,624.80
  6. Step 6: Final answer
    x = 84,730,351.75

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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.