Home / 103,486,379.70-155,229,569.55-98,447,531.70

Finding the Fourth Proportional to 103,486,379.70, 155,229,569.55 and 98,447,531.70

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Solution

The fourth proportional to 103,486,379.70, 155,229,569.55 and 98,447,531.70 is: 147,671,297.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,486,379.70 : 155,229,569.55 = 98,447,531.70 : x
  2. Step 2: Convert to fraction form
    103,486,379.70/155,229,569.55 = 98,447,531.70/x
  3. Step 3: Cross multiply
    103,486,379.70x = 155,229,569.55 × 98,447,531.70
  4. Step 4: Simplify right side
    103,486,379.70x = 15,281,967,969,050,982
  5. Step 5: Solve for x
    x = 15,281,967,969,050,982/103,486,379.70
  6. Step 6: Final answer
    x = 147,671,297.55

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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.