Home / 162,149,347.80-243,200,402.10-47,121,895.80

Finding the Fourth Proportional to 162,149,347.80, 243,200,402.10 and 47,121,895.80

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Solution

The fourth proportional to 162,149,347.80, 243,200,402.10 and 47,121,895.80 is: 70,675,979.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,149,347.80 : 243,200,402.10 = 47,121,895.80 : x
  2. Step 2: Convert to fraction form
    162,149,347.80/243,200,402.10 = 47,121,895.80/x
  3. Step 3: Cross multiply
    162,149,347.80x = 243,200,402.10 × 47,121,895.80
  4. Step 4: Simplify right side
    162,149,347.80x = 11,460,064,006,274,300
  5. Step 5: Solve for x
    x = 11,460,064,006,274,300/162,149,347.80
  6. Step 6: Final answer
    x = 70,675,979.66

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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.