Home / 90,279,741.65-135,376,923.65-34,973,480.57

Finding the Fourth Proportional to 90,279,741.65, 135,376,923.65 and 34,973,480.57

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Solution

The fourth proportional to 90,279,741.65, 135,376,923.65 and 34,973,480.57 is: 52,443,683.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,279,741.65 : 135,376,923.65 = 34,973,480.57 : x
  2. Step 2: Convert to fraction form
    90,279,741.65/135,376,923.65 = 34,973,480.57/x
  3. Step 3: Cross multiply
    90,279,741.65x = 135,376,923.65 × 34,973,480.57
  4. Step 4: Simplify right side
    90,279,741.65x = 4,734,602,208,047,897
  5. Step 5: Solve for x
    x = 4,734,602,208,047,897/90,279,741.65
  6. Step 6: Final answer
    x = 52,443,683.62

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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.