Home / 103,048,475.70-154,572,713.55-89,018,433.30

Finding the Fourth Proportional to 103,048,475.70, 154,572,713.55 and 89,018,433.30

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Solution

The fourth proportional to 103,048,475.70, 154,572,713.55 and 89,018,433.30 is: 133,527,649.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,048,475.70 : 154,572,713.55 = 89,018,433.30 : x
  2. Step 2: Convert to fraction form
    103,048,475.70/154,572,713.55 = 89,018,433.30/x
  3. Step 3: Cross multiply
    103,048,475.70x = 154,572,713.55 × 89,018,433.30
  4. Step 4: Simplify right side
    103,048,475.70x = 13,759,820,791,150,682
  5. Step 5: Solve for x
    x = 13,759,820,791,150,682/103,048,475.70
  6. Step 6: Final answer
    x = 133,527,649.95

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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.