Home / 162,353,442.80-243,570,769.52-47,337,985.13

Finding the Fourth Proportional to 162,353,442.80, 243,570,769.52 and 47,337,985.13

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Solution

The fourth proportional to 162,353,442.80, 243,570,769.52 and 47,337,985.13 is: 71,018,817.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,353,442.80 : 243,570,769.52 = 47,337,985.13 : x
  2. Step 2: Convert to fraction form
    162,353,442.80/243,570,769.52 = 47,337,985.13/x
  3. Step 3: Cross multiply
    162,353,442.80x = 243,570,769.52 × 47,337,985.13
  4. Step 4: Simplify right side
    162,353,442.80x = 11,530,149,464,185,872
  5. Step 5: Solve for x
    x = 11,530,149,464,185,872/162,353,442.80
  6. Step 6: Final answer
    x = 71,018,817.13

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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.