Home / 142,484,044.66-196,628,360.14-77,293,948.66

Finding the Fourth Proportional to 142,484,044.66, 196,628,360.14 and 77,293,948.66

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Solution

The fourth proportional to 142,484,044.66, 196,628,360.14 and 77,293,948.66 is: 106,665,854.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,484,044.66 : 196,628,360.14 = 77,293,948.66 : x
  2. Step 2: Convert to fraction form
    142,484,044.66/196,628,360.14 = 77,293,948.66/x
  3. Step 3: Cross multiply
    142,484,044.66x = 196,628,360.14 × 77,293,948.66
  4. Step 4: Simplify right side
    142,484,044.66x = 15,198,182,373,761,148
  5. Step 5: Solve for x
    x = 15,198,182,373,761,148/142,484,044.66
  6. Step 6: Final answer
    x = 106,665,854.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.