Home / 49,572,077.40-74,358,116.10-20,850,643.80

Finding the Fourth Proportional to 49,572,077.40, 74,358,116.10 and 20,850,643.80

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Solution

The fourth proportional to 49,572,077.40, 74,358,116.10 and 20,850,643.80 is: 31,275,965.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,572,077.40 : 74,358,116.10 = 20,850,643.80 : x
  2. Step 2: Convert to fraction form
    49,572,077.40/74,358,116.10 = 20,850,643.80/x
  3. Step 3: Cross multiply
    49,572,077.40x = 74,358,116.10 × 20,850,643.80
  4. Step 4: Simplify right side
    49,572,077.40x = 1,550,414,592,440,145
  5. Step 5: Solve for x
    x = 1,550,414,592,440,145/49,572,077.40
  6. Step 6: Final answer
    x = 31,275,965.70

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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.