Home / 168,847,680.18-253,315,186.86-98,877,000.78

Finding the Fourth Proportional to 168,847,680.18, 253,315,186.86 and 98,877,000.78

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Solution

The fourth proportional to 168,847,680.18, 253,315,186.86 and 98,877,000.78 is: 148,341,072.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,847,680.18 : 253,315,186.86 = 98,877,000.78 : x
  2. Step 2: Convert to fraction form
    168,847,680.18/253,315,186.86 = 98,877,000.78/x
  3. Step 3: Cross multiply
    168,847,680.18x = 253,315,186.86 × 98,877,000.78
  4. Step 4: Simplify right side
    168,847,680.18x = 25,047,045,928,742,068
  5. Step 5: Solve for x
    x = 25,047,045,928,742,068/168,847,680.18
  6. Step 6: Final answer
    x = 148,341,072.27

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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.