Home / 131,096,816.28-180,886,598.01-75,331,462.86

Finding the Fourth Proportional to 131,096,816.28, 180,886,598.01 and 75,331,462.86

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Solution

The fourth proportional to 131,096,816.28, 180,886,598.01 and 75,331,462.86 is: 103,941,899.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,096,816.28 : 180,886,598.01 = 75,331,462.86 : x
  2. Step 2: Convert to fraction form
    131,096,816.28/180,886,598.01 = 75,331,462.86/x
  3. Step 3: Cross multiply
    131,096,816.28x = 180,886,598.01 × 75,331,462.86
  4. Step 4: Simplify right side
    131,096,816.28x = 13,626,452,039,862,064
  5. Step 5: Solve for x
    x = 13,626,452,039,862,064/131,096,816.28
  6. Step 6: Final answer
    x = 103,941,899.02

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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.