Home / 76,746,023.34-115,178,731.79-53,566,373.13

Finding the Fourth Proportional to 76,746,023.34, 115,178,731.79 and 53,566,373.13

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Solution

The fourth proportional to 76,746,023.34, 115,178,731.79 and 53,566,373.13 is: 80,391,226.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,746,023.34 : 115,178,731.79 = 53,566,373.13 : x
  2. Step 2: Convert to fraction form
    76,746,023.34/115,178,731.79 = 53,566,373.13/x
  3. Step 3: Cross multiply
    76,746,023.34x = 115,178,731.79 × 53,566,373.13
  4. Step 4: Simplify right side
    76,746,023.34x = 6,169,706,923,003,580
  5. Step 5: Solve for x
    x = 6,169,706,923,003,580/76,746,023.34
  6. Step 6: Final answer
    x = 80,391,226.21

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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.