Home / 145,220,112.60-217,830,168.90-53,103,672.60

Finding the Fourth Proportional to 145,220,112.60, 217,830,168.90 and 53,103,672.60

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Solution

The fourth proportional to 145,220,112.60, 217,830,168.90 and 53,103,672.60 is: 79,655,508.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,220,112.60 : 217,830,168.90 = 53,103,672.60 : x
  2. Step 2: Convert to fraction form
    145,220,112.60/217,830,168.90 = 53,103,672.60/x
  3. Step 3: Cross multiply
    145,220,112.60x = 217,830,168.90 × 53,103,672.60
  4. Step 4: Simplify right side
    145,220,112.60x = 11,567,581,971,668,302
  5. Step 5: Solve for x
    x = 11,567,581,971,668,302/145,220,112.60
  6. Step 6: Final answer
    x = 79,655,508.90

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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.