Home / 295,258,891.40-442,888,337.10-76,908,811.40

Finding the Fourth Proportional to 295,258,891.40, 442,888,337.10 and 76,908,811.40

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Solution

The fourth proportional to 295,258,891.40, 442,888,337.10 and 76,908,811.40 is: 115,363,217.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,258,891.40 : 442,888,337.10 = 76,908,811.40 : x
  2. Step 2: Convert to fraction form
    295,258,891.40/442,888,337.10 = 76,908,811.40/x
  3. Step 3: Cross multiply
    295,258,891.40x = 442,888,337.10 × 76,908,811.40
  4. Step 4: Simplify right side
    295,258,891.40x = 34,062,015,589,283,528
  5. Step 5: Solve for x
    x = 34,062,015,589,283,528/295,258,891.40
  6. Step 6: Final answer
    x = 115,363,217.10

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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.