Home / 82,739,832.20-124,109,748.30-73,811,623.40

Finding the Fourth Proportional to 82,739,832.20, 124,109,748.30 and 73,811,623.40

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Solution

The fourth proportional to 82,739,832.20, 124,109,748.30 and 73,811,623.40 is: 110,717,435.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,739,832.20 : 124,109,748.30 = 73,811,623.40 : x
  2. Step 2: Convert to fraction form
    82,739,832.20/124,109,748.30 = 73,811,623.40/x
  3. Step 3: Cross multiply
    82,739,832.20x = 124,109,748.30 × 73,811,623.40
  4. Step 4: Simplify right side
    82,739,832.20x = 9,160,742,001,788,390
  5. Step 5: Solve for x
    x = 9,160,742,001,788,390/82,739,832.20
  6. Step 6: Final answer
    x = 110,717,435.10

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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.