Home / 103,254,345.60-142,488,754.56-56,842,823.04

Finding the Fourth Proportional to 103,254,345.60, 142,488,754.56 and 56,842,823.04

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Solution

The fourth proportional to 103,254,345.60, 142,488,754.56 and 56,842,823.04 is: 78,441,861.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,254,345.60 : 142,488,754.56 = 56,842,823.04 : x
  2. Step 2: Convert to fraction form
    103,254,345.60/142,488,754.56 = 56,842,823.04/x
  3. Step 3: Cross multiply
    103,254,345.60x = 142,488,754.56 × 56,842,823.04
  4. Step 4: Simplify right side
    103,254,345.60x = 8,099,463,060,644,073
  5. Step 5: Solve for x
    x = 8,099,463,060,644,073/103,254,345.60
  6. Step 6: Final answer
    x = 78,441,861.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.