Home / 77,276,937.60-115,915,406.40-54,602,121.60

Finding the Fourth Proportional to 77,276,937.60, 115,915,406.40 and 54,602,121.60

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Solution

The fourth proportional to 77,276,937.60, 115,915,406.40 and 54,602,121.60 is: 81,903,182.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,276,937.60 : 115,915,406.40 = 54,602,121.60 : x
  2. Step 2: Convert to fraction form
    77,276,937.60/115,915,406.40 = 54,602,121.60/x
  3. Step 3: Cross multiply
    77,276,937.60x = 115,915,406.40 × 54,602,121.60
  4. Step 4: Simplify right side
    77,276,937.60x = 6,329,227,115,566,219
  5. Step 5: Solve for x
    x = 6,329,227,115,566,219/77,276,937.60
  6. Step 6: Final answer
    x = 81,903,182.40

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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.