Home / 127,210,004.70-190,850,436.45-62,515,920.30

Finding the Fourth Proportional to 127,210,004.70, 190,850,436.45 and 62,515,920.30

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Solution

The fourth proportional to 127,210,004.70, 190,850,436.45 and 62,515,920.30 is: 93,791,291.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,210,004.70 : 190,850,436.45 = 62,515,920.30 : x
  2. Step 2: Convert to fraction form
    127,210,004.70/190,850,436.45 = 62,515,920.30/x
  3. Step 3: Cross multiply
    127,210,004.70x = 190,850,436.45 × 62,515,920.30
  4. Step 4: Simplify right side
    127,210,004.70x = 11,931,190,674,328,414
  5. Step 5: Solve for x
    x = 11,931,190,674,328,414/127,210,004.70
  6. Step 6: Final answer
    x = 93,791,291.83

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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.