Home / 127,210,005.70-190,850,437.95-62,515,921.30

Finding the Fourth Proportional to 127,210,005.70, 190,850,437.95 and 62,515,921.30

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Solution

The fourth proportional to 127,210,005.70, 190,850,437.95 and 62,515,921.30 is: 93,791,293.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,210,005.70 : 190,850,437.95 = 62,515,921.30 : x
  2. Step 2: Convert to fraction form
    127,210,005.70/190,850,437.95 = 62,515,921.30/x
  3. Step 3: Cross multiply
    127,210,005.70x = 190,850,437.95 × 62,515,921.30
  4. Step 4: Simplify right side
    127,210,005.70x = 11,931,190,958,952,732
  5. Step 5: Solve for x
    x = 11,931,190,958,952,732/127,210,005.70
  6. Step 6: Final answer
    x = 93,791,293.33

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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.