Home / 132,979,267.40-199,468,901.10-89,869,123.40

Finding the Fourth Proportional to 132,979,267.40, 199,468,901.10 and 89,869,123.40

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Solution

The fourth proportional to 132,979,267.40, 199,468,901.10 and 89,869,123.40 is: 134,803,685.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,979,267.40 : 199,468,901.10 = 89,869,123.40 : x
  2. Step 2: Convert to fraction form
    132,979,267.40/199,468,901.10 = 89,869,123.40/x
  3. Step 3: Cross multiply
    132,979,267.40x = 199,468,901.10 × 89,869,123.40
  4. Step 4: Simplify right side
    132,979,267.40x = 17,926,095,287,418,296
  5. Step 5: Solve for x
    x = 17,926,095,287,418,296/132,979,267.40
  6. Step 6: Final answer
    x = 134,803,685.10

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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.