Home / 162,185,242.80-243,280,352.52-54,480,799.92

Finding the Fourth Proportional to 162,185,242.80, 243,280,352.52 and 54,480,799.92

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Solution

The fourth proportional to 162,185,242.80, 243,280,352.52 and 54,480,799.92 is: 81,722,035.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,185,242.80 : 243,280,352.52 = 54,480,799.92 : x
  2. Step 2: Convert to fraction form
    162,185,242.80/243,280,352.52 = 54,480,799.92/x
  3. Step 3: Cross multiply
    162,185,242.80x = 243,280,352.52 × 54,480,799.92
  4. Step 4: Simplify right side
    162,185,242.80x = 13,254,108,210,109,188
  5. Step 5: Solve for x
    x = 13,254,108,210,109,188/162,185,242.80
  6. Step 6: Final answer
    x = 81,722,035.75

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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.