Home / 49,890,151.20-74,779,239.60-28,335,079.20

Finding the Fourth Proportional to 49,890,151.20, 74,779,239.60 and 28,335,079.20

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Solution

The fourth proportional to 49,890,151.20, 74,779,239.60 and 28,335,079.20 is: 42,470,820.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,890,151.20 : 74,779,239.60 = 28,335,079.20 : x
  2. Step 2: Convert to fraction form
    49,890,151.20/74,779,239.60 = 28,335,079.20/x
  3. Step 3: Cross multiply
    49,890,151.20x = 74,779,239.60 × 28,335,079.20
  4. Step 4: Simplify right side
    49,890,151.20x = 2,118,875,676,581,776
  5. Step 5: Solve for x
    x = 2,118,875,676,581,776/49,890,151.20
  6. Step 6: Final answer
    x = 42,470,820.91

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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.