Home / 61,679,532-85,119,620.40-34,174,886.88

Finding the Fourth Proportional to 61,679,532, 85,119,620.40 and 34,174,886.88

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Solution

The fourth proportional to 61,679,532, 85,119,620.40 and 34,174,886.88 is: 47,162,377.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,679,532 : 85,119,620.40 = 34,174,886.88 : x
  2. Step 2: Convert to fraction form
    61,679,532/85,119,620.40 = 34,174,886.88/x
  3. Step 3: Cross multiply
    61,679,532x = 85,119,620.40 × 34,174,886.88
  4. Step 4: Simplify right side
    61,679,532x = 2,908,953,398,438,541
  5. Step 5: Solve for x
    x = 2,908,953,398,438,541/61,679,532
  6. Step 6: Final answer
    x = 47,162,377.93

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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.