Home / 72,587,528.60-108,881,292.90-67,044,795.80

Finding the Fourth Proportional to 72,587,528.60, 108,881,292.90 and 67,044,795.80

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Solution

The fourth proportional to 72,587,528.60, 108,881,292.90 and 67,044,795.80 is: 100,567,193.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,587,528.60 : 108,881,292.90 = 67,044,795.80 : x
  2. Step 2: Convert to fraction form
    72,587,528.60/108,881,292.90 = 67,044,795.80/x
  3. Step 3: Cross multiply
    72,587,528.60x = 108,881,292.90 × 67,044,795.80
  4. Step 4: Simplify right side
    72,587,528.60x = 7,299,924,048,920,490
  5. Step 5: Solve for x
    x = 7,299,924,048,920,490/72,587,528.60
  6. Step 6: Final answer
    x = 100,567,193.70

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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.