Home / 127,872,128.20-191,587,742.70-59,574,742.60

Finding the Fourth Proportional to 127,872,128.20, 191,587,742.70 and 59,574,742.60

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Solution

The fourth proportional to 127,872,128.20, 191,587,742.70 and 59,574,742.60 is: 89,259,407.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,872,128.20 : 191,587,742.70 = 59,574,742.60 : x
  2. Step 2: Convert to fraction form
    127,872,128.20/191,587,742.70 = 59,574,742.60/x
  3. Step 3: Cross multiply
    127,872,128.20x = 191,587,742.70 × 59,574,742.60
  4. Step 4: Simplify right side
    127,872,128.20x = 11,413,790,456,667,528
  5. Step 5: Solve for x
    x = 11,413,790,456,667,528/127,872,128.20
  6. Step 6: Final answer
    x = 89,259,407.95

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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.