Home / 103,958,316-143,142,017.40-92,335,694.04

Finding the Fourth Proportional to 103,958,316, 143,142,017.40 and 92,335,694.04

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Solution

The fourth proportional to 103,958,316, 143,142,017.40 and 92,335,694.04 is: 127,138,626.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,958,316 : 143,142,017.40 = 92,335,694.04 : x
  2. Step 2: Convert to fraction form
    103,958,316/143,142,017.40 = 92,335,694.04/x
  3. Step 3: Cross multiply
    103,958,316x = 143,142,017.40 × 92,335,694.04
  4. Step 4: Simplify right side
    103,958,316x = 13,217,117,522,914,758
  5. Step 5: Solve for x
    x = 13,217,117,522,914,758/103,958,316
  6. Step 6: Final answer
    x = 127,138,626.63

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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.