Home / 54,506,861.60-81,760,292.40-42,413,626.40

Finding the Fourth Proportional to 54,506,861.60, 81,760,292.40 and 42,413,626.40

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Solution

The fourth proportional to 54,506,861.60, 81,760,292.40 and 42,413,626.40 is: 63,620,439.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,506,861.60 : 81,760,292.40 = 42,413,626.40 : x
  2. Step 2: Convert to fraction form
    54,506,861.60/81,760,292.40 = 42,413,626.40/x
  3. Step 3: Cross multiply
    54,506,861.60x = 81,760,292.40 × 42,413,626.40
  4. Step 4: Simplify right side
    54,506,861.60x = 3,467,750,496,208,359.50
  5. Step 5: Solve for x
    x = 3,467,750,496,208,359.50/54,506,861.60
  6. Step 6: Final answer
    x = 63,620,439.60

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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.