Home / 145,627,886.45-218,441,829.68-133,156,737.65

Finding the Fourth Proportional to 145,627,886.45, 218,441,829.68 and 133,156,737.65

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Solution

The fourth proportional to 145,627,886.45, 218,441,829.68 and 133,156,737.65 is: 199,735,106.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,627,886.45 : 218,441,829.68 = 133,156,737.65 : x
  2. Step 2: Convert to fraction form
    145,627,886.45/218,441,829.68 = 133,156,737.65/x
  3. Step 3: Cross multiply
    145,627,886.45x = 218,441,829.68 × 133,156,737.65
  4. Step 4: Simplify right side
    145,627,886.45x = 29,087,001,405,819,964
  5. Step 5: Solve for x
    x = 29,087,001,405,819,964/145,627,886.45
  6. Step 6: Final answer
    x = 199,735,106.48

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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.