Home / 127,740,281.40-191,607,664.64-35,621,565.71

Finding the Fourth Proportional to 127,740,281.40, 191,607,664.64 and 35,621,565.71

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Solution

The fourth proportional to 127,740,281.40, 191,607,664.64 and 35,621,565.71 is: 53,431,579.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,740,281.40 : 191,607,664.64 = 35,621,565.71 : x
  2. Step 2: Convert to fraction form
    127,740,281.40/191,607,664.64 = 35,621,565.71/x
  3. Step 3: Cross multiply
    127,740,281.40x = 191,607,664.64 × 35,621,565.71
  4. Step 4: Simplify right side
    127,740,281.40x = 6,825,365,015,377,257
  5. Step 5: Solve for x
    x = 6,825,365,015,377,257/127,740,281.40
  6. Step 6: Final answer
    x = 53,431,579.61

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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.