Home / 127,210,009.20-190,850,443.20-62,515,924.80

Finding the Fourth Proportional to 127,210,009.20, 190,850,443.20 and 62,515,924.80

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Solution

The fourth proportional to 127,210,009.20, 190,850,443.20 and 62,515,924.80 is: 93,791,298.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,210,009.20 : 190,850,443.20 = 62,515,924.80 : x
  2. Step 2: Convert to fraction form
    127,210,009.20/190,850,443.20 = 62,515,924.80/x
  3. Step 3: Cross multiply
    127,210,009.20x = 190,850,443.20 × 62,515,924.80
  4. Step 4: Simplify right side
    127,210,009.20x = 11,931,191,955,137,870
  5. Step 5: Solve for x
    x = 11,931,191,955,137,870/127,210,009.20
  6. Step 6: Final answer
    x = 93,791,298.58

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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.