Home / 90,930,235.53-136,300,084.34-42,368,039.85

Finding the Fourth Proportional to 90,930,235.53, 136,300,084.34 and 42,368,039.85

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Solution

The fourth proportional to 90,930,235.53, 136,300,084.34 and 42,368,039.85 is: 63,507,670.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,930,235.53 : 136,300,084.34 = 42,368,039.85 : x
  2. Step 2: Convert to fraction form
    90,930,235.53/136,300,084.34 = 42,368,039.85/x
  3. Step 3: Cross multiply
    90,930,235.53x = 136,300,084.34 × 42,368,039.85
  4. Step 4: Simplify right side
    90,930,235.53x = 5,774,767,404,663,641
  5. Step 5: Solve for x
    x = 5,774,767,404,663,641/90,930,235.53
  6. Step 6: Final answer
    x = 63,507,670.15

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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.