Home / 77,127,906.84-115,690,520.28-31,068,598.36

Finding the Fourth Proportional to 77,127,906.84, 115,690,520.28 and 31,068,598.36

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Solution

The fourth proportional to 77,127,906.84, 115,690,520.28 and 31,068,598.36 is: 46,602,357.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,127,906.84 : 115,690,520.28 = 31,068,598.36 : x
  2. Step 2: Convert to fraction form
    77,127,906.84/115,690,520.28 = 31,068,598.36/x
  3. Step 3: Cross multiply
    77,127,906.84x = 115,690,520.28 × 31,068,598.36
  4. Step 4: Simplify right side
    77,127,906.84x = 3,594,342,308,638,754.50
  5. Step 5: Solve for x
    x = 3,594,342,308,638,754.50/77,127,906.84
  6. Step 6: Final answer
    x = 46,602,357.77

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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.