Home / 70,240,465.12-96,928,787.12-38,876,644.14

Finding the Fourth Proportional to 70,240,465.12, 96,928,787.12 and 38,876,644.14

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Solution

The fourth proportional to 70,240,465.12, 96,928,787.12 and 38,876,644.14 is: 53,648,078.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,240,465.12 : 96,928,787.12 = 38,876,644.14 : x
  2. Step 2: Convert to fraction form
    70,240,465.12/96,928,787.12 = 38,876,644.14/x
  3. Step 3: Cross multiply
    70,240,465.12x = 96,928,787.12 × 38,876,644.14
  4. Step 4: Simplify right side
    70,240,465.12x = 3,768,265,963,786,055.50
  5. Step 5: Solve for x
    x = 3,768,265,963,786,055.50/70,240,465.12
  6. Step 6: Final answer
    x = 53,648,078.17

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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.