Home / 116,928,715.73-161,195,280.01-79,711,235.47

Finding the Fourth Proportional to 116,928,715.73, 161,195,280.01 and 79,711,235.47

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Solution

The fourth proportional to 116,928,715.73, 161,195,280.01 and 79,711,235.47 is: 109,888,104.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,928,715.73 : 161,195,280.01 = 79,711,235.47 : x
  2. Step 2: Convert to fraction form
    116,928,715.73/161,195,280.01 = 79,711,235.47/x
  3. Step 3: Cross multiply
    116,928,715.73x = 161,195,280.01 × 79,711,235.47
  4. Step 4: Simplify right side
    116,928,715.73x = 12,849,074,920,927,428
  5. Step 5: Solve for x
    x = 12,849,074,920,927,428/116,928,715.73
  6. Step 6: Final answer
    x = 109,888,104.39

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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.