Home / 340,868,431.26-511,228,429.56-91,867,877.01

Finding the Fourth Proportional to 340,868,431.26, 511,228,429.56 and 91,867,877.01

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Solution

The fourth proportional to 340,868,431.26, 511,228,429.56 and 91,867,877.01 is: 137,781,813.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,868,431.26 : 511,228,429.56 = 91,867,877.01 : x
  2. Step 2: Convert to fraction form
    340,868,431.26/511,228,429.56 = 91,867,877.01/x
  3. Step 3: Cross multiply
    340,868,431.26x = 511,228,429.56 × 91,867,877.01
  4. Step 4: Simplify right side
    340,868,431.26x = 46,965,470,490,833,528
  5. Step 5: Solve for x
    x = 46,965,470,490,833,528/340,868,431.26
  6. Step 6: Final answer
    x = 137,781,813.11

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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.