Home / 133,793,149.40-200,689,724.10-99,780,925.40

Finding the Fourth Proportional to 133,793,149.40, 200,689,724.10 and 99,780,925.40

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Solution

The fourth proportional to 133,793,149.40, 200,689,724.10 and 99,780,925.40 is: 149,671,388.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,793,149.40 : 200,689,724.10 = 99,780,925.40 : x
  2. Step 2: Convert to fraction form
    133,793,149.40/200,689,724.10 = 99,780,925.40/x
  3. Step 3: Cross multiply
    133,793,149.40x = 200,689,724.10 × 99,780,925.40
  4. Step 4: Simplify right side
    133,793,149.40x = 20,025,006,388,968,684
  5. Step 5: Solve for x
    x = 20,025,006,388,968,684/133,793,149.40
  6. Step 6: Final answer
    x = 149,671,388.10

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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.