Home / 86,904,089.40-130,356,134.10-26,319,815.40

Finding the Fourth Proportional to 86,904,089.40, 130,356,134.10 and 26,319,815.40

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Solution

The fourth proportional to 86,904,089.40, 130,356,134.10 and 26,319,815.40 is: 39,479,723.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,904,089.40 : 130,356,134.10 = 26,319,815.40 : x
  2. Step 2: Convert to fraction form
    86,904,089.40/130,356,134.10 = 26,319,815.40/x
  3. Step 3: Cross multiply
    86,904,089.40x = 130,356,134.10 × 26,319,815.40
  4. Step 4: Simplify right side
    86,904,089.40x = 3,430,949,385,769,645
  5. Step 5: Solve for x
    x = 3,430,949,385,769,645/86,904,089.40
  6. Step 6: Final answer
    x = 39,479,723.10

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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.