Home / 70,130,962.30-96,780,859.25-39,191,131.58

Finding the Fourth Proportional to 70,130,962.30, 96,780,859.25 and 39,191,131.58

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Solution

The fourth proportional to 70,130,962.30, 96,780,859.25 and 39,191,131.58 is: 54,083,834.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,130,962.30 : 96,780,859.25 = 39,191,131.58 : x
  2. Step 2: Convert to fraction form
    70,130,962.30/96,780,859.25 = 39,191,131.58/x
  3. Step 3: Cross multiply
    70,130,962.30x = 96,780,859.25 × 39,191,131.58
  4. Step 4: Simplify right side
    70,130,962.30x = 3,792,951,389,266,694
  5. Step 5: Solve for x
    x = 3,792,951,389,266,694/70,130,962.30
  6. Step 6: Final answer
    x = 54,083,834.94

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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.