Home / 143,815,325.81-215,721,687.59-45,447,048.58

Finding the Fourth Proportional to 143,815,325.81, 215,721,687.59 and 45,447,048.58

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Solution

The fourth proportional to 143,815,325.81, 215,721,687.59 and 45,447,048.58 is: 68,170,161.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,815,325.81 : 215,721,687.59 = 45,447,048.58 : x
  2. Step 2: Convert to fraction form
    143,815,325.81/215,721,687.59 = 45,447,048.58/x
  3. Step 3: Cross multiply
    143,815,325.81x = 215,721,687.59 × 45,447,048.58
  4. Step 4: Simplify right side
    143,815,325.81x = 9,803,914,015,662,312
  5. Step 5: Solve for x
    x = 9,803,914,015,662,312/143,815,325.81
  6. Step 6: Final answer
    x = 68,170,161.70

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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.