Home / 201,218,449.40-301,827,674.10-71,888,017.40

Finding the Fourth Proportional to 201,218,449.40, 301,827,674.10 and 71,888,017.40

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Solution

The fourth proportional to 201,218,449.40, 301,827,674.10 and 71,888,017.40 is: 107,832,026.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,218,449.40 : 301,827,674.10 = 71,888,017.40 : x
  2. Step 2: Convert to fraction form
    201,218,449.40/301,827,674.10 = 71,888,017.40/x
  3. Step 3: Cross multiply
    201,218,449.40x = 301,827,674.10 × 71,888,017.40
  4. Step 4: Simplify right side
    201,218,449.40x = 21,697,793,087,502,332
  5. Step 5: Solve for x
    x = 21,697,793,087,502,332/201,218,449.40
  6. Step 6: Final answer
    x = 107,832,026.10

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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.