Home / 49,920,189.40-74,754,312.90-39,842,493.40

Finding the Fourth Proportional to 49,920,189.40, 74,754,312.90 and 39,842,493.40

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Solution

The fourth proportional to 49,920,189.40, 74,754,312.90 and 39,842,493.40 is: 59,663,199.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,920,189.40 : 74,754,312.90 = 39,842,493.40 : x
  2. Step 2: Convert to fraction form
    49,920,189.40/74,754,312.90 = 39,842,493.40/x
  3. Step 3: Cross multiply
    49,920,189.40x = 74,754,312.90 × 39,842,493.40
  4. Step 4: Simplify right side
    49,920,189.40x = 2,978,398,218,339,785
  5. Step 5: Solve for x
    x = 2,978,398,218,339,785/49,920,189.40
  6. Step 6: Final answer
    x = 59,663,199.48

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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.