Home / 77,127,905.84-115,690,518.78-31,068,597.36

Finding the Fourth Proportional to 77,127,905.84, 115,690,518.78 and 31,068,597.36

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Solution

The fourth proportional to 77,127,905.84, 115,690,518.78 and 31,068,597.36 is: 46,602,356.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,127,905.84 : 115,690,518.78 = 31,068,597.36 : x
  2. Step 2: Convert to fraction form
    77,127,905.84/115,690,518.78 = 31,068,597.36/x
  3. Step 3: Cross multiply
    77,127,905.84x = 115,690,518.78 × 31,068,597.36
  4. Step 4: Simplify right side
    77,127,905.84x = 3,594,342,146,345,338.50
  5. Step 5: Solve for x
    x = 3,594,342,146,345,338.50/77,127,905.84
  6. Step 6: Final answer
    x = 46,602,356.27

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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.