Home / 105,484,776-145,532,560.89-66,329,532.36

Finding the Fourth Proportional to 105,484,776, 145,532,560.89 and 66,329,532.36

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Solution

The fourth proportional to 105,484,776, 145,532,560.89 and 66,329,532.36 is: 91,511,847.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,484,776 : 145,532,560.89 = 66,329,532.36 : x
  2. Step 2: Convert to fraction form
    105,484,776/145,532,560.89 = 66,329,532.36/x
  3. Step 3: Cross multiply
    105,484,776x = 145,532,560.89 × 66,329,532.36
  4. Step 4: Simplify right side
    105,484,776x = 9,653,106,706,986,924
  5. Step 5: Solve for x
    x = 9,653,106,706,986,924/105,484,776
  6. Step 6: Final answer
    x = 91,511,847.24

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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.