Home / 145,152,032.90-217,728,049.35-54,263,812.10

Finding the Fourth Proportional to 145,152,032.90, 217,728,049.35 and 54,263,812.10

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Solution

The fourth proportional to 145,152,032.90, 217,728,049.35 and 54,263,812.10 is: 81,395,718.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,152,032.90 : 217,728,049.35 = 54,263,812.10 : x
  2. Step 2: Convert to fraction form
    145,152,032.90/217,728,049.35 = 54,263,812.10/x
  3. Step 3: Cross multiply
    145,152,032.90x = 217,728,049.35 × 54,263,812.10
  4. Step 4: Simplify right side
    145,152,032.90x = 11,814,753,958,827,928
  5. Step 5: Solve for x
    x = 11,814,753,958,827,928/145,152,032.90
  6. Step 6: Final answer
    x = 81,395,718.15

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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.