Home / 127,406,231.10-191,109,346.65-69,876,272.70

Finding the Fourth Proportional to 127,406,231.10, 191,109,346.65 and 69,876,272.70

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Solution

The fourth proportional to 127,406,231.10, 191,109,346.65 and 69,876,272.70 is: 104,814,409.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,406,231.10 : 191,109,346.65 = 69,876,272.70 : x
  2. Step 2: Convert to fraction form
    127,406,231.10/191,109,346.65 = 69,876,272.70/x
  3. Step 3: Cross multiply
    127,406,231.10x = 191,109,346.65 × 69,876,272.70
  4. Step 4: Simplify right side
    127,406,231.10x = 13,354,008,822,034,232
  5. Step 5: Solve for x
    x = 13,354,008,822,034,232/127,406,231.10
  6. Step 6: Final answer
    x = 104,814,409.05

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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.