Home / 128,960,233.20-193,440,349.80-99,734,914.80

Finding the Fourth Proportional to 128,960,233.20, 193,440,349.80 and 99,734,914.80

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Solution

The fourth proportional to 128,960,233.20, 193,440,349.80 and 99,734,914.80 is: 149,602,372.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,960,233.20 : 193,440,349.80 = 99,734,914.80 : x
  2. Step 2: Convert to fraction form
    128,960,233.20/193,440,349.80 = 99,734,914.80/x
  3. Step 3: Cross multiply
    128,960,233.20x = 193,440,349.80 × 99,734,914.80
  4. Step 4: Simplify right side
    128,960,233.20x = 19,292,756,806,185,196
  5. Step 5: Solve for x
    x = 19,292,756,806,185,196/128,960,233.20
  6. Step 6: Final answer
    x = 149,602,372.20

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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.