Home / 90,991,874.04-136,487,811.40-30,407,600.04

Finding the Fourth Proportional to 90,991,874.04, 136,487,811.40 and 30,407,600.04

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Solution

The fourth proportional to 90,991,874.04, 136,487,811.40 and 30,407,600.04 is: 45,611,400.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,991,874.04 : 136,487,811.40 = 30,407,600.04 : x
  2. Step 2: Convert to fraction form
    90,991,874.04/136,487,811.40 = 30,407,600.04/x
  3. Step 3: Cross multiply
    90,991,874.04x = 136,487,811.40 × 30,407,600.04
  4. Step 4: Simplify right side
    90,991,874.04x = 4,150,266,779,386,152.50
  5. Step 5: Solve for x
    x = 4,150,266,779,386,152.50/90,991,874.04
  6. Step 6: Final answer
    x = 45,611,400.17

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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.