Home / 448,506,167.40-672,759,251.10-120,981,047.40

Finding the Fourth Proportional to 448,506,167.40, 672,759,251.10 and 120,981,047.40

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Solution

The fourth proportional to 448,506,167.40, 672,759,251.10 and 120,981,047.40 is: 181,471,571.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,506,167.40 : 672,759,251.10 = 120,981,047.40 : x
  2. Step 2: Convert to fraction form
    448,506,167.40/672,759,251.10 = 120,981,047.40/x
  3. Step 3: Cross multiply
    448,506,167.40x = 672,759,251.10 × 120,981,047.40
  4. Step 4: Simplify right side
    448,506,167.40x = 81,391,118,846,117,616
  5. Step 5: Solve for x
    x = 81,391,118,846,117,616/448,506,167.40
  6. Step 6: Final answer
    x = 181,471,571.10

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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.