Home / 82,988,717.60-124,483,076.40-42,174,048.80

Finding the Fourth Proportional to 82,988,717.60, 124,483,076.40 and 42,174,048.80

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Solution

The fourth proportional to 82,988,717.60, 124,483,076.40 and 42,174,048.80 is: 63,261,073.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,988,717.60 : 124,483,076.40 = 42,174,048.80 : x
  2. Step 2: Convert to fraction form
    82,988,717.60/124,483,076.40 = 42,174,048.80/x
  3. Step 3: Cross multiply
    82,988,717.60x = 124,483,076.40 × 42,174,048.80
  4. Step 4: Simplify right side
    82,988,717.60x = 5,249,955,338,867,728
  5. Step 5: Solve for x
    x = 5,249,955,338,867,728/82,988,717.60
  6. Step 6: Final answer
    x = 63,261,073.20

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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.