Home / 90,888,987.42-136,535,261.94-56,370,897.96

Finding the Fourth Proportional to 90,888,987.42, 136,535,261.94 and 56,370,897.96

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Solution

The fourth proportional to 90,888,987.42, 136,535,261.94 and 56,370,897.96 is: 84,681,494.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,888,987.42 : 136,535,261.94 = 56,370,897.96 : x
  2. Step 2: Convert to fraction form
    90,888,987.42/136,535,261.94 = 56,370,897.96/x
  3. Step 3: Cross multiply
    90,888,987.42x = 136,535,261.94 × 56,370,897.96
  4. Step 4: Simplify right side
    90,888,987.42x = 7,696,615,318,761,612
  5. Step 5: Solve for x
    x = 7,696,615,318,761,612/90,888,987.42
  6. Step 6: Final answer
    x = 84,681,494.83

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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.