Home / 169,968,211.90-254,952,317.85-129,153,543.10

Finding the Fourth Proportional to 169,968,211.90, 254,952,317.85 and 129,153,543.10

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Solution

The fourth proportional to 169,968,211.90, 254,952,317.85 and 129,153,543.10 is: 193,730,314.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,968,211.90 : 254,952,317.85 = 129,153,543.10 : x
  2. Step 2: Convert to fraction form
    169,968,211.90/254,952,317.85 = 129,153,543.10/x
  3. Step 3: Cross multiply
    169,968,211.90x = 254,952,317.85 × 129,153,543.10
  4. Step 4: Simplify right side
    169,968,211.90x = 32,927,995,171,884,872
  5. Step 5: Solve for x
    x = 32,927,995,171,884,872/169,968,211.90
  6. Step 6: Final answer
    x = 193,730,314.65

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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.