Home / 162,402,109.04-243,505,879.64-51,689,956.75

Finding the Fourth Proportional to 162,402,109.04, 243,505,879.64 and 51,689,956.75

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Solution

The fourth proportional to 162,402,109.04, 243,505,879.64 and 51,689,956.75 is: 77,503,971.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,402,109.04 : 243,505,879.64 = 51,689,956.75 : x
  2. Step 2: Convert to fraction form
    162,402,109.04/243,505,879.64 = 51,689,956.75/x
  3. Step 3: Cross multiply
    162,402,109.04x = 243,505,879.64 × 51,689,956.75
  4. Step 4: Simplify right side
    162,402,109.04x = 12,586,808,386,288,928
  5. Step 5: Solve for x
    x = 12,586,808,386,288,928/162,402,109.04
  6. Step 6: Final answer
    x = 77,503,971.23

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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.