Home / 134,867,901.31-186,117,702.04-72,988,239.87

Finding the Fourth Proportional to 134,867,901.31, 186,117,702.04 and 72,988,239.87

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Solution

The fourth proportional to 134,867,901.31, 186,117,702.04 and 72,988,239.87 is: 100,723,770.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,867,901.31 : 186,117,702.04 = 72,988,239.87 : x
  2. Step 2: Convert to fraction form
    134,867,901.31/186,117,702.04 = 72,988,239.87/x
  3. Step 3: Cross multiply
    134,867,901.31x = 186,117,702.04 × 72,988,239.87
  4. Step 4: Simplify right side
    134,867,901.31x = 13,584,403,480,223,528
  5. Step 5: Solve for x
    x = 13,584,403,480,223,528/134,867,901.31
  6. Step 6: Final answer
    x = 100,723,770.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.