Home / 52,886,721.60-79,330,082.40-30,169,915.20

Finding the Fourth Proportional to 52,886,721.60, 79,330,082.40 and 30,169,915.20

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Solution

The fourth proportional to 52,886,721.60, 79,330,082.40 and 30,169,915.20 is: 45,254,872.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,886,721.60 : 79,330,082.40 = 30,169,915.20 : x
  2. Step 2: Convert to fraction form
    52,886,721.60/79,330,082.40 = 30,169,915.20/x
  3. Step 3: Cross multiply
    52,886,721.60x = 79,330,082.40 × 30,169,915.20
  4. Step 4: Simplify right side
    52,886,721.60x = 2,393,381,858,817,012.50
  5. Step 5: Solve for x
    x = 2,393,381,858,817,012.50/52,886,721.60
  6. Step 6: Final answer
    x = 45,254,872.80

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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.