Home / 132,812,269.20-199,218,403.80-96,249,128.40

Finding the Fourth Proportional to 132,812,269.20, 199,218,403.80 and 96,249,128.40

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Solution

The fourth proportional to 132,812,269.20, 199,218,403.80 and 96,249,128.40 is: 144,373,692.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,812,269.20 : 199,218,403.80 = 96,249,128.40 : x
  2. Step 2: Convert to fraction form
    132,812,269.20/199,218,403.80 = 96,249,128.40/x
  3. Step 3: Cross multiply
    132,812,269.20x = 199,218,403.80 × 96,249,128.40
  4. Step 4: Simplify right side
    132,812,269.20x = 19,174,597,726,989,252
  5. Step 5: Solve for x
    x = 19,174,597,726,989,252/132,812,269.20
  6. Step 6: Final answer
    x = 144,373,692.60

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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.