Home / 70,146,991.74-96,798,943.17-38,783,226.90

Finding the Fourth Proportional to 70,146,991.74, 96,798,943.17 and 38,783,226.90

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Solution

The fourth proportional to 70,146,991.74, 96,798,943.17 and 38,783,226.90 is: 53,518,693.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,146,991.74 : 96,798,943.17 = 38,783,226.90 : x
  2. Step 2: Convert to fraction form
    70,146,991.74/96,798,943.17 = 38,783,226.90/x
  3. Step 3: Cross multiply
    70,146,991.74x = 96,798,943.17 × 38,783,226.90
  4. Step 4: Simplify right side
    70,146,991.74x = 3,754,175,376,642,315
  5. Step 5: Solve for x
    x = 3,754,175,376,642,315/70,146,991.74
  6. Step 6: Final answer
    x = 53,518,693.87

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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.