Home / 58,080,187.40-87,120,281.10-38,920,123.40

Finding the Fourth Proportional to 58,080,187.40, 87,120,281.10 and 38,920,123.40

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Solution

The fourth proportional to 58,080,187.40, 87,120,281.10 and 38,920,123.40 is: 58,380,185.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,080,187.40 : 87,120,281.10 = 38,920,123.40 : x
  2. Step 2: Convert to fraction form
    58,080,187.40/87,120,281.10 = 38,920,123.40/x
  3. Step 3: Cross multiply
    58,080,187.40x = 87,120,281.10 × 38,920,123.40
  4. Step 4: Simplify right side
    58,080,187.40x = 3,390,732,091,054,687.50
  5. Step 5: Solve for x
    x = 3,390,732,091,054,687.50/58,080,187.40
  6. Step 6: Final answer
    x = 58,380,185.10

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Double scale
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Similar ratio
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1.5x scale

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.