Home / 77,127,905.34-115,690,518.02-31,068,596.85

Finding the Fourth Proportional to 77,127,905.34, 115,690,518.02 and 31,068,596.85

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Solution

The fourth proportional to 77,127,905.34, 115,690,518.02 and 31,068,596.85 is: 46,602,355.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,127,905.34 : 115,690,518.02 = 31,068,596.85 : x
  2. Step 2: Convert to fraction form
    77,127,905.34/115,690,518.02 = 31,068,596.85/x
  3. Step 3: Cross multiply
    77,127,905.34x = 115,690,518.02 × 31,068,596.85
  4. Step 4: Simplify right side
    77,127,905.34x = 3,594,342,063,575,697.50
  5. Step 5: Solve for x
    x = 3,594,342,063,575,697.50/77,127,905.34
  6. Step 6: Final answer
    x = 46,602,355.50

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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.