Home / 157,050,234.27-216,722,332.08-90,021,138.98

Finding the Fourth Proportional to 157,050,234.27, 216,722,332.08 and 90,021,138.98

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Solution

The fourth proportional to 157,050,234.27, 216,722,332.08 and 90,021,138.98 is: 124,225,164.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,050,234.27 : 216,722,332.08 = 90,021,138.98 : x
  2. Step 2: Convert to fraction form
    157,050,234.27/216,722,332.08 = 90,021,138.98/x
  3. Step 3: Cross multiply
    157,050,234.27x = 216,722,332.08 × 90,021,138.98
  4. Step 4: Simplify right side
    157,050,234.27x = 19,509,591,175,159,780
  5. Step 5: Solve for x
    x = 19,509,591,175,159,780/157,050,234.27
  6. Step 6: Final answer
    x = 124,225,164.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.