Home / 132,872,616.90-199,308,925.35-74,520,395.10

Finding the Fourth Proportional to 132,872,616.90, 199,308,925.35 and 74,520,395.10

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Solution

The fourth proportional to 132,872,616.90, 199,308,925.35 and 74,520,395.10 is: 111,780,592.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,872,616.90 : 199,308,925.35 = 74,520,395.10 : x
  2. Step 2: Convert to fraction form
    132,872,616.90/199,308,925.35 = 74,520,395.10/x
  3. Step 3: Cross multiply
    132,872,616.90x = 199,308,925.35 × 74,520,395.10
  4. Step 4: Simplify right side
    132,872,616.90x = 14,852,579,864,038,404
  5. Step 5: Solve for x
    x = 14,852,579,864,038,404/132,872,616.90
  6. Step 6: Final answer
    x = 111,780,592.65

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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.