Home / 100,234,026.45-150,231,465.45-89,950,643.10

Finding the Fourth Proportional to 100,234,026.45, 150,231,465.45 and 89,950,643.10

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Solution

The fourth proportional to 100,234,026.45, 150,231,465.45 and 89,950,643.10 is: 134,818,657.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,234,026.45 : 150,231,465.45 = 89,950,643.10 : x
  2. Step 2: Convert to fraction form
    100,234,026.45/150,231,465.45 = 89,950,643.10/x
  3. Step 3: Cross multiply
    100,234,026.45x = 150,231,465.45 × 89,950,643.10
  4. Step 4: Simplify right side
    100,234,026.45x = 13,513,416,931,082,928
  5. Step 5: Solve for x
    x = 13,513,416,931,082,928/100,234,026.45
  6. Step 6: Final answer
    x = 134,818,657.99

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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.