Home / 145,180,820.40-217,771,230.60-54,292,599.60

Finding the Fourth Proportional to 145,180,820.40, 217,771,230.60 and 54,292,599.60

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Solution

The fourth proportional to 145,180,820.40, 217,771,230.60 and 54,292,599.60 is: 81,438,899.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,180,820.40 : 217,771,230.60 = 54,292,599.60 : x
  2. Step 2: Convert to fraction form
    145,180,820.40/217,771,230.60 = 54,292,599.60/x
  3. Step 3: Cross multiply
    145,180,820.40x = 217,771,230.60 × 54,292,599.60
  4. Step 4: Simplify right side
    145,180,820.40x = 11,823,366,227,365,068
  5. Step 5: Solve for x
    x = 11,823,366,227,365,068/145,180,820.40
  6. Step 6: Final answer
    x = 81,438,899.40

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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.