Home / 71,261,867.10-98,342,519.67-38,666,819.10

Finding the Fourth Proportional to 71,261,867.10, 98,342,519.67 and 38,666,819.10

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Solution

The fourth proportional to 71,261,867.10, 98,342,519.67 and 38,666,819.10 is: 53,360,830.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,261,867.10 : 98,342,519.67 = 38,666,819.10 : x
  2. Step 2: Convert to fraction form
    71,261,867.10/98,342,519.67 = 38,666,819.10/x
  3. Step 3: Cross multiply
    71,261,867.10x = 98,342,519.67 × 38,666,819.10
  4. Step 4: Simplify right side
    71,261,867.10x = 3,802,592,417,918,082
  5. Step 5: Solve for x
    x = 3,802,592,417,918,082/71,261,867.10
  6. Step 6: Final answer
    x = 53,360,830.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.