Home / 77,184,428.32-115,752,060.40-25,357,000.80

Finding the Fourth Proportional to 77,184,428.32, 115,752,060.40 and 25,357,000.80

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Solution

The fourth proportional to 77,184,428.32, 115,752,060.40 and 25,357,000.80 is: 38,027,425.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,184,428.32 : 115,752,060.40 = 25,357,000.80 : x
  2. Step 2: Convert to fraction form
    77,184,428.32/115,752,060.40 = 25,357,000.80/x
  3. Step 3: Cross multiply
    77,184,428.32x = 115,752,060.40 × 25,357,000.80
  4. Step 4: Simplify right side
    77,184,428.32x = 2,935,125,088,164,448.50
  5. Step 5: Solve for x
    x = 2,935,125,088,164,448.50/77,184,428.32
  6. Step 6: Final answer
    x = 38,027,425.38

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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.