Home / 217,842,022.60-326,315,136.30-149,761,587.40

Finding the Fourth Proportional to 217,842,022.60, 326,315,136.30 and 149,761,587.40

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Solution

The fourth proportional to 217,842,022.60, 326,315,136.30 and 149,761,587.40 is: 224,334,461.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,842,022.60 : 326,315,136.30 = 149,761,587.40 : x
  2. Step 2: Convert to fraction form
    217,842,022.60/326,315,136.30 = 149,761,587.40/x
  3. Step 3: Cross multiply
    217,842,022.60x = 326,315,136.30 × 149,761,587.40
  4. Step 4: Simplify right side
    217,842,022.60x = 48,869,472,804,935,368
  5. Step 5: Solve for x
    x = 48,869,472,804,935,368/217,842,022.60
  6. Step 6: Final answer
    x = 224,334,461.38

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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.