Home / 141,406,938.69-211,972,844.32-67,611,541.71

Finding the Fourth Proportional to 141,406,938.69, 211,972,844.32 and 67,611,541.71

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Solution

The fourth proportional to 141,406,938.69, 211,972,844.32 and 67,611,541.71 is: 101,351,538.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,406,938.69 : 211,972,844.32 = 67,611,541.71 : x
  2. Step 2: Convert to fraction form
    141,406,938.69/211,972,844.32 = 67,611,541.71/x
  3. Step 3: Cross multiply
    141,406,938.69x = 211,972,844.32 × 67,611,541.71
  4. Step 4: Simplify right side
    141,406,938.69x = 14,331,810,804,753,202
  5. Step 5: Solve for x
    x = 14,331,810,804,753,202/141,406,938.69
  6. Step 6: Final answer
    x = 101,351,538.60

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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.