Home / 145,575,502.40-218,363,253.60-69,047,998.40

Finding the Fourth Proportional to 145,575,502.40, 218,363,253.60 and 69,047,998.40

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Solution

The fourth proportional to 145,575,502.40, 218,363,253.60 and 69,047,998.40 is: 103,571,997.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,575,502.40 : 218,363,253.60 = 69,047,998.40 : x
  2. Step 2: Convert to fraction form
    145,575,502.40/218,363,253.60 = 69,047,998.40/x
  3. Step 3: Cross multiply
    145,575,502.40x = 218,363,253.60 × 69,047,998.40
  4. Step 4: Simplify right side
    145,575,502.40x = 15,077,545,585,191,596
  5. Step 5: Solve for x
    x = 15,077,545,585,191,596/145,575,502.40
  6. Step 6: Final answer
    x = 103,571,997.60

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Similar ratio
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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.