Home / 143,931,304.38-215,897,583.97-45,563,492.33

Finding the Fourth Proportional to 143,931,304.38, 215,897,583.97 and 45,563,492.33

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Solution

The fourth proportional to 143,931,304.38, 215,897,583.97 and 45,563,492.33 is: 68,345,437.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,931,304.38 : 215,897,583.97 = 45,563,492.33 : x
  2. Step 2: Convert to fraction form
    143,931,304.38/215,897,583.97 = 45,563,492.33/x
  3. Step 3: Cross multiply
    143,931,304.38x = 215,897,583.97 × 45,563,492.33
  4. Step 4: Simplify right side
    143,931,304.38x = 9,837,047,910,089,230
  5. Step 5: Solve for x
    x = 9,837,047,910,089,230/143,931,304.38
  6. Step 6: Final answer
    x = 68,345,437.10

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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.