Home / 144,456,123.53-216,638,668.26-47,389,212.20

Finding the Fourth Proportional to 144,456,123.53, 216,638,668.26 and 47,389,212.20

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Solution

The fourth proportional to 144,456,123.53, 216,638,668.26 and 47,389,212.20 is: 71,068,886.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,456,123.53 : 216,638,668.26 = 47,389,212.20 : x
  2. Step 2: Convert to fraction form
    144,456,123.53/216,638,668.26 = 47,389,212.20/x
  3. Step 3: Cross multiply
    144,456,123.53x = 216,638,668.26 × 47,389,212.20
  4. Step 4: Simplify right side
    144,456,123.53x = 10,266,335,821,440,142
  5. Step 5: Solve for x
    x = 10,266,335,821,440,142/144,456,123.53
  6. Step 6: Final answer
    x = 71,068,886.32

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1.5x scale

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.