Home / 105,989,017.05-158,983,525.58-98,336,266.65

Finding the Fourth Proportional to 105,989,017.05, 158,983,525.58 and 98,336,266.65

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Solution

The fourth proportional to 105,989,017.05, 158,983,525.58 and 98,336,266.65 is: 147,504,399.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,989,017.05 : 158,983,525.58 = 98,336,266.65 : x
  2. Step 2: Convert to fraction form
    105,989,017.05/158,983,525.58 = 98,336,266.65/x
  3. Step 3: Cross multiply
    105,989,017.05x = 158,983,525.58 × 98,336,266.65
  4. Step 4: Simplify right side
    105,989,017.05x = 15,633,846,363,900,294
  5. Step 5: Solve for x
    x = 15,633,846,363,900,294/105,989,017.05
  6. Step 6: Final answer
    x = 147,504,399.98

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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.