Home / 46,428,264.11-69,643,946.19-20,869,347.32

Finding the Fourth Proportional to 46,428,264.11, 69,643,946.19 and 20,869,347.32

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Solution

The fourth proportional to 46,428,264.11, 69,643,946.19 and 20,869,347.32 is: 31,304,717.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,428,264.11 : 69,643,946.19 = 20,869,347.32 : x
  2. Step 2: Convert to fraction form
    46,428,264.11/69,643,946.19 = 20,869,347.32/x
  3. Step 3: Cross multiply
    46,428,264.11x = 69,643,946.19 × 20,869,347.32
  4. Step 4: Simplify right side
    46,428,264.11x = 1,453,423,701,948,610.75
  5. Step 5: Solve for x
    x = 1,453,423,701,948,610.75/46,428,264.11
  6. Step 6: Final answer
    x = 31,304,717.72

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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.