Home / 48,516,580.80-72,403,558.89-43,340,885.20

Finding the Fourth Proportional to 48,516,580.80, 72,403,558.89 and 43,340,885.20

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Solution

The fourth proportional to 48,516,580.80, 72,403,558.89 and 43,340,885.20 is: 64,679,626.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,516,580.80 : 72,403,558.89 = 43,340,885.20 : x
  2. Step 2: Convert to fraction form
    48,516,580.80/72,403,558.89 = 43,340,885.20/x
  3. Step 3: Cross multiply
    48,516,580.80x = 72,403,558.89 × 43,340,885.20
  4. Step 4: Simplify right side
    48,516,580.80x = 3,138,034,333,922,929.50
  5. Step 5: Solve for x
    x = 3,138,034,333,922,929.50/48,516,580.80
  6. Step 6: Final answer
    x = 64,679,626.68

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.