Home / 103,391,999.70-155,087,999.55-93,314,303.70

Finding the Fourth Proportional to 103,391,999.70, 155,087,999.55 and 93,314,303.70

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Solution

The fourth proportional to 103,391,999.70, 155,087,999.55 and 93,314,303.70 is: 139,971,455.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,391,999.70 : 155,087,999.55 = 93,314,303.70 : x
  2. Step 2: Convert to fraction form
    103,391,999.70/155,087,999.55 = 93,314,303.70/x
  3. Step 3: Cross multiply
    103,391,999.70x = 155,087,999.55 × 93,314,303.70
  4. Step 4: Simplify right side
    103,391,999.70x = 14,471,928,690,234,164
  5. Step 5: Solve for x
    x = 14,471,928,690,234,164/103,391,999.70
  6. Step 6: Final answer
    x = 139,971,455.55

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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.