Home / 129,028,400.80-193,277,180.40-65,238,935.20

Finding the Fourth Proportional to 129,028,400.80, 193,277,180.40 and 65,238,935.20

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Solution

The fourth proportional to 129,028,400.80, 193,277,180.40 and 65,238,935.20 is: 97,724,201.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,028,400.80 : 193,277,180.40 = 65,238,935.20 : x
  2. Step 2: Convert to fraction form
    129,028,400.80/193,277,180.40 = 65,238,935.20/x
  3. Step 3: Cross multiply
    129,028,400.80x = 193,277,180.40 × 65,238,935.20
  4. Step 4: Simplify right side
    129,028,400.80x = 12,609,197,447,754,312
  5. Step 5: Solve for x
    x = 12,609,197,447,754,312/129,028,400.80
  6. Step 6: Final answer
    x = 97,724,201.57

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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.