Home / 89,547,568.40-134,354,530.20-86,229,808.40

Finding the Fourth Proportional to 89,547,568.40, 134,354,530.20 and 86,229,808.40

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Solution

The fourth proportional to 89,547,568.40, 134,354,530.20 and 86,229,808.40 is: 129,376,660.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,547,568.40 : 134,354,530.20 = 86,229,808.40 : x
  2. Step 2: Convert to fraction form
    89,547,568.40/134,354,530.20 = 86,229,808.40/x
  3. Step 3: Cross multiply
    89,547,568.40x = 134,354,530.20 × 86,229,808.40
  4. Step 4: Simplify right side
    89,547,568.40x = 11,585,365,396,818,014
  5. Step 5: Solve for x
    x = 11,585,365,396,818,014/89,547,568.40
  6. Step 6: Final answer
    x = 129,376,660.96

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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.