Home / 143,931,522.65-215,897,913.43-45,563,709.57

Finding the Fourth Proportional to 143,931,522.65, 215,897,913.43 and 45,563,709.57

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Solution

The fourth proportional to 143,931,522.65, 215,897,913.43 and 45,563,709.57 is: 68,345,763.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,931,522.65 : 215,897,913.43 = 45,563,709.57 : x
  2. Step 2: Convert to fraction form
    143,931,522.65/215,897,913.43 = 45,563,709.57/x
  3. Step 3: Cross multiply
    143,931,522.65x = 215,897,913.43 × 45,563,709.57
  4. Step 4: Simplify right side
    143,931,522.65x = 9,837,109,824,216,864
  5. Step 5: Solve for x
    x = 9,837,109,824,216,864/143,931,522.65
  6. Step 6: Final answer
    x = 68,345,763.62

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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.