Home / 162,385,655.10-243,578,482.65-76,292,213.10

Finding the Fourth Proportional to 162,385,655.10, 243,578,482.65 and 76,292,213.10

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Solution

The fourth proportional to 162,385,655.10, 243,578,482.65 and 76,292,213.10 is: 114,438,319.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,385,655.10 : 243,578,482.65 = 76,292,213.10 : x
  2. Step 2: Convert to fraction form
    162,385,655.10/243,578,482.65 = 76,292,213.10/x
  3. Step 3: Cross multiply
    162,385,655.10x = 243,578,482.65 × 76,292,213.10
  4. Step 4: Simplify right side
    162,385,655.10x = 18,583,141,504,908,452
  5. Step 5: Solve for x
    x = 18,583,141,504,908,452/162,385,655.10
  6. Step 6: Final answer
    x = 114,438,319.65

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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.