Home / 132,868,397.10-199,302,595.65-127,128,834.30

Finding the Fourth Proportional to 132,868,397.10, 199,302,595.65 and 127,128,834.30

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Solution

The fourth proportional to 132,868,397.10, 199,302,595.65 and 127,128,834.30 is: 190,693,251.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,868,397.10 : 199,302,595.65 = 127,128,834.30 : x
  2. Step 2: Convert to fraction form
    132,868,397.10/199,302,595.65 = 127,128,834.30/x
  3. Step 3: Cross multiply
    132,868,397.10x = 199,302,595.65 × 127,128,834.30
  4. Step 4: Simplify right side
    132,868,397.10x = 25,337,106,657,948,752
  5. Step 5: Solve for x
    x = 25,337,106,657,948,752/132,868,397.10
  6. Step 6: Final answer
    x = 190,693,251.45

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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.