Home / 143,931,523.65-215,897,914.93-45,563,710.57

Finding the Fourth Proportional to 143,931,523.65, 215,897,914.93 and 45,563,710.57

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Solution

The fourth proportional to 143,931,523.65, 215,897,914.93 and 45,563,710.57 is: 68,345,765.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,931,523.65 : 215,897,914.93 = 45,563,710.57 : x
  2. Step 2: Convert to fraction form
    143,931,523.65/215,897,914.93 = 45,563,710.57/x
  3. Step 3: Cross multiply
    143,931,523.65x = 215,897,914.93 × 45,563,710.57
  4. Step 4: Simplify right side
    143,931,523.65x = 9,837,110,108,537,002
  5. Step 5: Solve for x
    x = 9,837,110,108,537,002/143,931,523.65
  6. Step 6: Final answer
    x = 68,345,765.12

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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.