Home / 87,221,500.16-120,366,477.45-48,064,678.20

Finding the Fourth Proportional to 87,221,500.16, 120,366,477.45 and 48,064,678.20

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Solution

The fourth proportional to 87,221,500.16, 120,366,477.45 and 48,064,678.20 is: 66,329,700.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,221,500.16 : 120,366,477.45 = 48,064,678.20 : x
  2. Step 2: Convert to fraction form
    87,221,500.16/120,366,477.45 = 48,064,678.20/x
  3. Step 3: Cross multiply
    87,221,500.16x = 120,366,477.45 × 48,064,678.20
  4. Step 4: Simplify right side
    87,221,500.16x = 5,785,376,004,701,807
  5. Step 5: Solve for x
    x = 5,785,376,004,701,807/87,221,500.16
  6. Step 6: Final answer
    x = 66,329,700.76

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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.