Home / 127,904,101.40-191,856,152.10-89,608,856.60

Finding the Fourth Proportional to 127,904,101.40, 191,856,152.10 and 89,608,856.60

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Solution

The fourth proportional to 127,904,101.40, 191,856,152.10 and 89,608,856.60 is: 134,413,284.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,904,101.40 : 191,856,152.10 = 89,608,856.60 : x
  2. Step 2: Convert to fraction form
    127,904,101.40/191,856,152.10 = 89,608,856.60/x
  3. Step 3: Cross multiply
    127,904,101.40x = 191,856,152.10 × 89,608,856.60
  4. Step 4: Simplify right side
    127,904,101.40x = 17,192,010,421,356,688
  5. Step 5: Solve for x
    x = 17,192,010,421,356,688/127,904,101.40
  6. Step 6: Final answer
    x = 134,413,284.90

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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.