Home / 43,012,605.60-64,518,908.40-42,714,007.20

Finding the Fourth Proportional to 43,012,605.60, 64,518,908.40 and 42,714,007.20

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Solution

The fourth proportional to 43,012,605.60, 64,518,908.40 and 42,714,007.20 is: 64,071,010.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,012,605.60 : 64,518,908.40 = 42,714,007.20 : x
  2. Step 2: Convert to fraction form
    43,012,605.60/64,518,908.40 = 42,714,007.20/x
  3. Step 3: Cross multiply
    43,012,605.60x = 64,518,908.40 × 42,714,007.20
  4. Step 4: Simplify right side
    43,012,605.60x = 2,755,861,117,933,740.50
  5. Step 5: Solve for x
    x = 2,755,861,117,933,740.50/43,012,605.60
  6. Step 6: Final answer
    x = 64,071,010.80

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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.