Home / 65,120,139.60-97,680,209.40-26,809,148.40

Finding the Fourth Proportional to 65,120,139.60, 97,680,209.40 and 26,809,148.40

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Solution

The fourth proportional to 65,120,139.60, 97,680,209.40 and 26,809,148.40 is: 40,213,722.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,120,139.60 : 97,680,209.40 = 26,809,148.40 : x
  2. Step 2: Convert to fraction form
    65,120,139.60/97,680,209.40 = 26,809,148.40/x
  3. Step 3: Cross multiply
    65,120,139.60x = 97,680,209.40 × 26,809,148.40
  4. Step 4: Simplify right side
    65,120,139.60x = 2,618,723,229,547,675
  5. Step 5: Solve for x
    x = 2,618,723,229,547,675/65,120,139.60
  6. Step 6: Final answer
    x = 40,213,722.60

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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.