Home / 90,816,053.20-136,224,079.80-47,668,584.40

Finding the Fourth Proportional to 90,816,053.20, 136,224,079.80 and 47,668,584.40

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Solution

The fourth proportional to 90,816,053.20, 136,224,079.80 and 47,668,584.40 is: 71,502,876.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,816,053.20 : 136,224,079.80 = 47,668,584.40 : x
  2. Step 2: Convert to fraction form
    90,816,053.20/136,224,079.80 = 47,668,584.40/x
  3. Step 3: Cross multiply
    90,816,053.20x = 136,224,079.80 × 47,668,584.40
  4. Step 4: Simplify right side
    90,816,053.20x = 6,493,609,045,258,635
  5. Step 5: Solve for x
    x = 6,493,609,045,258,635/90,816,053.20
  6. Step 6: Final answer
    x = 71,502,876.60

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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.