Home / 109,087,120.32-150,543,420.29-59,530,687.21

Finding the Fourth Proportional to 109,087,120.32, 150,543,420.29 and 59,530,687.21

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Solution

The fourth proportional to 109,087,120.32, 150,543,420.29 and 59,530,687.21 is: 82,154,091.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,087,120.32 : 150,543,420.29 = 59,530,687.21 : x
  2. Step 2: Convert to fraction form
    109,087,120.32/150,543,420.29 = 59,530,687.21/x
  3. Step 3: Cross multiply
    109,087,120.32x = 150,543,420.29 × 59,530,687.21
  4. Step 4: Simplify right side
    109,087,120.32x = 8,961,953,264,409,675
  5. Step 5: Solve for x
    x = 8,961,953,264,409,675/109,087,120.32
  6. Step 6: Final answer
    x = 82,154,091.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.