Home / 161,859,686.10-242,869,247.14-75,585,554.16

Finding the Fourth Proportional to 161,859,686.10, 242,869,247.14 and 75,585,554.16

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Solution

The fourth proportional to 161,859,686.10, 242,869,247.14 and 75,585,554.16 is: 113,415,558.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,859,686.10 : 242,869,247.14 = 75,585,554.16 : x
  2. Step 2: Convert to fraction form
    161,859,686.10/242,869,247.14 = 75,585,554.16/x
  3. Step 3: Cross multiply
    161,859,686.10x = 242,869,247.14 × 75,585,554.16
  4. Step 4: Simplify right side
    161,859,686.10x = 18,357,406,633,498,892
  5. Step 5: Solve for x
    x = 18,357,406,633,498,892/161,859,686.10
  6. Step 6: Final answer
    x = 113,415,558.10

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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.