Home / 162,303,520.32-243,492,606-53,132,212.80

Finding the Fourth Proportional to 162,303,520.32, 243,492,606 and 53,132,212.80

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Solution

The fourth proportional to 162,303,520.32, 243,492,606 and 53,132,212.80 is: 79,710,538.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,303,520.32 : 243,492,606 = 53,132,212.80 : x
  2. Step 2: Convert to fraction form
    162,303,520.32/243,492,606 = 53,132,212.80/x
  3. Step 3: Cross multiply
    162,303,520.32x = 243,492,606 × 53,132,212.80
  4. Step 4: Simplify right side
    162,303,520.32x = 12,937,300,957,218,556
  5. Step 5: Solve for x
    x = 12,937,300,957,218,556/162,303,520.32
  6. Step 6: Final answer
    x = 79,710,538.20

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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.