Home / 114,912,329.40-172,368,494.10-105,506,479.80

Finding the Fourth Proportional to 114,912,329.40, 172,368,494.10 and 105,506,479.80

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Solution

The fourth proportional to 114,912,329.40, 172,368,494.10 and 105,506,479.80 is: 158,259,719.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,912,329.40 : 172,368,494.10 = 105,506,479.80 : x
  2. Step 2: Convert to fraction form
    114,912,329.40/172,368,494.10 = 105,506,479.80/x
  3. Step 3: Cross multiply
    114,912,329.40x = 172,368,494.10 × 105,506,479.80
  4. Step 4: Simplify right side
    114,912,329.40x = 18,185,993,040,918,068
  5. Step 5: Solve for x
    x = 18,185,993,040,918,068/114,912,329.40
  6. Step 6: Final answer
    x = 158,259,719.70

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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.