Home / 127,488,347.27-190,836,666.61-69,050,884.31

Finding the Fourth Proportional to 127,488,347.27, 190,836,666.61 and 69,050,884.31

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Solution

The fourth proportional to 127,488,347.27, 190,836,666.61 and 69,050,884.31 is: 103,361,921.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,488,347.27 : 190,836,666.61 = 69,050,884.31 : x
  2. Step 2: Convert to fraction form
    127,488,347.27/190,836,666.61 = 69,050,884.31/x
  3. Step 3: Cross multiply
    127,488,347.27x = 190,836,666.61 × 69,050,884.31
  4. Step 4: Simplify right side
    127,488,347.27x = 13,177,440,588,193,152
  5. Step 5: Solve for x
    x = 13,177,440,588,193,152/127,488,347.27
  6. Step 6: Final answer
    x = 103,361,921.86

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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.