Home / 67,155,272.40-100,732,908.60-18,633,032.40

Finding the Fourth Proportional to 67,155,272.40, 100,732,908.60 and 18,633,032.40

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Solution

The fourth proportional to 67,155,272.40, 100,732,908.60 and 18,633,032.40 is: 27,949,548.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,155,272.40 : 100,732,908.60 = 18,633,032.40 : x
  2. Step 2: Convert to fraction form
    67,155,272.40/100,732,908.60 = 18,633,032.40/x
  3. Step 3: Cross multiply
    67,155,272.40x = 100,732,908.60 × 18,633,032.40
  4. Step 4: Simplify right side
    67,155,272.40x = 1,876,959,549,690,038.50
  5. Step 5: Solve for x
    x = 1,876,959,549,690,038.50/67,155,272.40
  6. Step 6: Final answer
    x = 27,949,548.60

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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.