Home / 70,116,401.70-105,653,198.66-57,616,909.38

Finding the Fourth Proportional to 70,116,401.70, 105,653,198.66 and 57,616,909.38

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Solution

The fourth proportional to 70,116,401.70, 105,653,198.66 and 57,616,909.38 is: 86,818,641.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,116,401.70 : 105,653,198.66 = 57,616,909.38 : x
  2. Step 2: Convert to fraction form
    70,116,401.70/105,653,198.66 = 57,616,909.38/x
  3. Step 3: Cross multiply
    70,116,401.70x = 105,653,198.66 × 57,616,909.38
  4. Step 4: Simplify right side
    70,116,401.70x = 6,087,410,772,612,273
  5. Step 5: Solve for x
    x = 6,087,410,772,612,273/70,116,401.70
  6. Step 6: Final answer
    x = 86,818,641.93

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.