Home / 90,885,427.40-136,328,141.10-29,474,467.40

Finding the Fourth Proportional to 90,885,427.40, 136,328,141.10 and 29,474,467.40

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Solution

The fourth proportional to 90,885,427.40, 136,328,141.10 and 29,474,467.40 is: 44,211,701.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,885,427.40 : 136,328,141.10 = 29,474,467.40 : x
  2. Step 2: Convert to fraction form
    90,885,427.40/136,328,141.10 = 29,474,467.40/x
  3. Step 3: Cross multiply
    90,885,427.40x = 136,328,141.10 × 29,474,467.40
  4. Step 4: Simplify right side
    90,885,427.40x = 4,018,199,350,554,550
  5. Step 5: Solve for x
    x = 4,018,199,350,554,550/90,885,427.40
  6. Step 6: Final answer
    x = 44,211,701.10

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Similar ratio
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1.5x scale

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.