Home / 116,928,719.50-161,195,285.16-79,711,239.24

Finding the Fourth Proportional to 116,928,719.50, 161,195,285.16 and 79,711,239.24

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Solution

The fourth proportional to 116,928,719.50, 161,195,285.16 and 79,711,239.24 is: 109,888,109.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,928,719.50 : 161,195,285.16 = 79,711,239.24 : x
  2. Step 2: Convert to fraction form
    116,928,719.50/161,195,285.16 = 79,711,239.24/x
  3. Step 3: Cross multiply
    116,928,719.50x = 161,195,285.16 × 79,711,239.24
  4. Step 4: Simplify right side
    116,928,719.50x = 12,849,075,939,748,780
  5. Step 5: Solve for x
    x = 12,849,075,939,748,780/116,928,719.50
  6. Step 6: Final answer
    x = 109,888,109.57

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