Home / 69,984,657.28-96,578,886.88-39,044,831.36

Finding the Fourth Proportional to 69,984,657.28, 96,578,886.88 and 39,044,831.36

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Solution

The fourth proportional to 69,984,657.28, 96,578,886.88 and 39,044,831.36 is: 53,881,900.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,984,657.28 : 96,578,886.88 = 39,044,831.36 : x
  2. Step 2: Convert to fraction form
    69,984,657.28/96,578,886.88 = 39,044,831.36/x
  3. Step 3: Cross multiply
    69,984,657.28x = 96,578,886.88 × 39,044,831.36
  4. Step 4: Simplify right side
    69,984,657.28x = 3,770,906,351,166,116.50
  5. Step 5: Solve for x
    x = 3,770,906,351,166,116.50/69,984,657.28
  6. Step 6: Final answer
    x = 53,881,900.66

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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.