Home / 103,344,291.10-155,016,436.65-45,948,663.10

Finding the Fourth Proportional to 103,344,291.10, 155,016,436.65 and 45,948,663.10

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Solution

The fourth proportional to 103,344,291.10, 155,016,436.65 and 45,948,663.10 is: 68,922,994.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,344,291.10 : 155,016,436.65 = 45,948,663.10 : x
  2. Step 2: Convert to fraction form
    103,344,291.10/155,016,436.65 = 45,948,663.10/x
  3. Step 3: Cross multiply
    103,344,291.10x = 155,016,436.65 × 45,948,663.10
  4. Step 4: Simplify right side
    103,344,291.10x = 7,122,798,022,593,343
  5. Step 5: Solve for x
    x = 7,122,798,022,593,343/103,344,291.10
  6. Step 6: Final answer
    x = 68,922,994.65

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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.