Home / 262,626,855.48-393,948,308.70-90,101,248.92

Finding the Fourth Proportional to 262,626,855.48, 393,948,308.70 and 90,101,248.92

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Solution

The fourth proportional to 262,626,855.48, 393,948,308.70 and 90,101,248.92 is: 135,154,626.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,626,855.48 : 393,948,308.70 = 90,101,248.92 : x
  2. Step 2: Convert to fraction form
    262,626,855.48/393,948,308.70 = 90,101,248.92/x
  3. Step 3: Cross multiply
    262,626,855.48x = 393,948,308.70 × 90,101,248.92
  4. Step 4: Simplify right side
    262,626,855.48x = 35,495,234,623,791,700
  5. Step 5: Solve for x
    x = 35,495,234,623,791,700/262,626,855.48
  6. Step 6: Final answer
    x = 135,154,626.74

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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.