Home / 162,079,987.77-243,126,709.11-47,064,530.25

Finding the Fourth Proportional to 162,079,987.77, 243,126,709.11 and 47,064,530.25

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Solution

The fourth proportional to 162,079,987.77, 243,126,709.11 and 47,064,530.25 is: 70,598,748.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,079,987.77 : 243,126,709.11 = 47,064,530.25 : x
  2. Step 2: Convert to fraction form
    162,079,987.77/243,126,709.11 = 47,064,530.25/x
  3. Step 3: Cross multiply
    162,079,987.77x = 243,126,709.11 × 47,064,530.25
  4. Step 4: Simplify right side
    162,079,987.77x = 11,442,644,355,490,546
  5. Step 5: Solve for x
    x = 11,442,644,355,490,546/162,079,987.77
  6. Step 6: Final answer
    x = 70,598,748.88

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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.