Home / 45,863,721.20-68,795,581.80-42,356,210.60

Finding the Fourth Proportional to 45,863,721.20, 68,795,581.80 and 42,356,210.60

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Solution

The fourth proportional to 45,863,721.20, 68,795,581.80 and 42,356,210.60 is: 63,534,315.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,863,721.20 : 68,795,581.80 = 42,356,210.60 : x
  2. Step 2: Convert to fraction form
    45,863,721.20/68,795,581.80 = 42,356,210.60/x
  3. Step 3: Cross multiply
    45,863,721.20x = 68,795,581.80 × 42,356,210.60
  4. Step 4: Simplify right side
    45,863,721.20x = 2,913,920,151,070,327
  5. Step 5: Solve for x
    x = 2,913,920,151,070,327/45,863,721.20
  6. Step 6: Final answer
    x = 63,534,315.90

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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.