Home / 78,605,740.04-108,476,351.51-45,585,566.82

Finding the Fourth Proportional to 78,605,740.04, 108,476,351.51 and 45,585,566.82

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Solution

The fourth proportional to 78,605,740.04, 108,476,351.51 and 45,585,566.82 is: 62,908,331.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,605,740.04 : 108,476,351.51 = 45,585,566.82 : x
  2. Step 2: Convert to fraction form
    78,605,740.04/108,476,351.51 = 45,585,566.82/x
  3. Step 3: Cross multiply
    78,605,740.04x = 108,476,351.51 × 45,585,566.82
  4. Step 4: Simplify right side
    78,605,740.04x = 4,944,955,969,920,985
  5. Step 5: Solve for x
    x = 4,944,955,969,920,985/78,605,740.04
  6. Step 6: Final answer
    x = 62,908,331.73

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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.