Home / 127,786,859.68-176,345,557.52-69,840,522.40

Finding the Fourth Proportional to 127,786,859.68, 176,345,557.52 and 69,840,522.40

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Solution

The fourth proportional to 127,786,859.68, 176,345,557.52 and 69,840,522.40 is: 96,379,752.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,786,859.68 : 176,345,557.52 = 69,840,522.40 : x
  2. Step 2: Convert to fraction form
    127,786,859.68/176,345,557.52 = 69,840,522.40/x
  3. Step 3: Cross multiply
    127,786,859.68x = 176,345,557.52 × 69,840,522.40
  4. Step 4: Simplify right side
    127,786,859.68x = 12,316,065,860,116,050
  5. Step 5: Solve for x
    x = 12,316,065,860,116,050/127,786,859.68
  6. Step 6: Final answer
    x = 96,379,752.12

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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.