Home / 84,250,838.40-126,376,257.60-70,645,948.80

Finding the Fourth Proportional to 84,250,838.40, 126,376,257.60 and 70,645,948.80

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Solution

The fourth proportional to 84,250,838.40, 126,376,257.60 and 70,645,948.80 is: 105,968,923.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,250,838.40 : 126,376,257.60 = 70,645,948.80 : x
  2. Step 2: Convert to fraction form
    84,250,838.40/126,376,257.60 = 70,645,948.80/x
  3. Step 3: Cross multiply
    84,250,838.40x = 126,376,257.60 × 70,645,948.80
  4. Step 4: Simplify right side
    84,250,838.40x = 8,927,970,623,945,210
  5. Step 5: Solve for x
    x = 8,927,970,623,945,210/84,250,838.40
  6. Step 6: Final answer
    x = 105,968,923.20

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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.