Home / 187,218,001.60-280,827,002.40-85,181,329.60

Finding the Fourth Proportional to 187,218,001.60, 280,827,002.40 and 85,181,329.60

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Solution

The fourth proportional to 187,218,001.60, 280,827,002.40 and 85,181,329.60 is: 127,771,994.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,218,001.60 : 280,827,002.40 = 85,181,329.60 : x
  2. Step 2: Convert to fraction form
    187,218,001.60/280,827,002.40 = 85,181,329.60/x
  3. Step 3: Cross multiply
    187,218,001.60x = 280,827,002.40 × 85,181,329.60
  4. Step 4: Simplify right side
    187,218,001.60x = 23,921,217,452,014,388
  5. Step 5: Solve for x
    x = 23,921,217,452,014,388/187,218,001.60
  6. Step 6: Final answer
    x = 127,771,994.40

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1.5x scale

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.