Home / 127,872,127.20-191,587,741.20-59,574,741.60

Finding the Fourth Proportional to 127,872,127.20, 191,587,741.20 and 59,574,741.60

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Solution

The fourth proportional to 127,872,127.20, 191,587,741.20 and 59,574,741.60 is: 89,259,406.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,872,127.20 : 191,587,741.20 = 59,574,741.60 : x
  2. Step 2: Convert to fraction form
    127,872,127.20/191,587,741.20 = 59,574,741.60/x
  3. Step 3: Cross multiply
    127,872,127.20x = 191,587,741.20 × 59,574,741.60
  4. Step 4: Simplify right side
    127,872,127.20x = 11,413,790,175,717,674
  5. Step 5: Solve for x
    x = 11,413,790,175,717,674/127,872,127.20
  6. Step 6: Final answer
    x = 89,259,406.45

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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.