Home / 90,899,073,401.40-136,348,610,102.10-28,008,770,614.20

Finding the Fourth Proportional to 90,899,073,401.40, 136,348,610,102.10 and 28,008,770,614.20

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Solution

The fourth proportional to 90,899,073,401.40, 136,348,610,102.10 and 28,008,770,614.20 is: 42,013,155,921.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,899,073,401.40 : 136,348,610,102.10 = 28,008,770,614.20 : x
  2. Step 2: Convert to fraction form
    90,899,073,401.40/136,348,610,102.10 = 28,008,770,614.20/x
  3. Step 3: Cross multiply
    90,899,073,401.40x = 136,348,610,102.10 × 28,008,770,614.20
  4. Step 4: Simplify right side
    90,899,073,401.40x = 3,818,956,943,914,711,908,352
  5. Step 5: Solve for x
    x = 3,818,956,943,914,711,908,352/90,899,073,401.40
  6. Step 6: Final answer
    x = 42,013,155,921.30

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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.