Home / 78,605,705.61-108,476,304.03-45,585,532.55

Finding the Fourth Proportional to 78,605,705.61, 108,476,304.03 and 45,585,532.55

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Solution

The fourth proportional to 78,605,705.61, 108,476,304.03 and 45,585,532.55 is: 62,908,284.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,605,705.61 : 108,476,304.03 = 45,585,532.55 : x
  2. Step 2: Convert to fraction form
    78,605,705.61/108,476,304.03 = 45,585,532.55/x
  3. Step 3: Cross multiply
    78,605,705.61x = 108,476,304.03 × 45,585,532.55
  4. Step 4: Simplify right side
    78,605,705.61x = 4,944,950,088,534,452
  5. Step 5: Solve for x
    x = 4,944,950,088,534,452/78,605,705.61
  6. Step 6: Final answer
    x = 62,908,284.46

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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.