Home / 79,750,010.18-119,646,281.12-28,632,471.86

Finding the Fourth Proportional to 79,750,010.18, 119,646,281.12 and 28,632,471.86

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Solution

The fourth proportional to 79,750,010.18, 119,646,281.12 and 28,632,471.86 is: 42,956,342.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,750,010.18 : 119,646,281.12 = 28,632,471.86 : x
  2. Step 2: Convert to fraction form
    79,750,010.18/119,646,281.12 = 28,632,471.86/x
  3. Step 3: Cross multiply
    79,750,010.18x = 119,646,281.12 × 28,632,471.86
  4. Step 4: Simplify right side
    79,750,010.18x = 3,425,768,777,478,002.50
  5. Step 5: Solve for x
    x = 3,425,768,777,478,002.50/79,750,010.18
  6. Step 6: Final answer
    x = 42,956,342.82

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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.