Home / 79,182,002.30-118,773,003.45-40,439,953.40

Finding the Fourth Proportional to 79,182,002.30, 118,773,003.45 and 40,439,953.40

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Solution

The fourth proportional to 79,182,002.30, 118,773,003.45 and 40,439,953.40 is: 60,659,930.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,182,002.30 : 118,773,003.45 = 40,439,953.40 : x
  2. Step 2: Convert to fraction form
    79,182,002.30/118,773,003.45 = 40,439,953.40/x
  3. Step 3: Cross multiply
    79,182,002.30x = 118,773,003.45 × 40,439,953.40
  4. Step 4: Simplify right side
    79,182,002.30x = 4,803,174,724,696,039
  5. Step 5: Solve for x
    x = 4,803,174,724,696,039/79,182,002.30
  6. Step 6: Final answer
    x = 60,659,930.10

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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.