Home / 146,739,869.40-220,196,895.30-55,872,643.80

Finding the Fourth Proportional to 146,739,869.40, 220,196,895.30 and 55,872,643.80

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Solution

The fourth proportional to 146,739,869.40, 220,196,895.30 and 55,872,643.80 is: 83,842,126.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,739,869.40 : 220,196,895.30 = 55,872,643.80 : x
  2. Step 2: Convert to fraction form
    146,739,869.40/220,196,895.30 = 55,872,643.80/x
  3. Step 3: Cross multiply
    146,739,869.40x = 220,196,895.30 × 55,872,643.80
  4. Step 4: Simplify right side
    146,739,869.40x = 12,302,982,696,962,794
  5. Step 5: Solve for x
    x = 12,302,982,696,962,794/146,739,869.40
  6. Step 6: Final answer
    x = 83,842,126.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.