Home / 148,971,885.51-223,312,905.21-71,228,586.63

Finding the Fourth Proportional to 148,971,885.51, 223,312,905.21 and 71,228,586.63

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Solution

The fourth proportional to 148,971,885.51, 223,312,905.21 and 71,228,586.63 is: 106,773,587.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,971,885.51 : 223,312,905.21 = 71,228,586.63 : x
  2. Step 2: Convert to fraction form
    148,971,885.51/223,312,905.21 = 71,228,586.63/x
  3. Step 3: Cross multiply
    148,971,885.51x = 223,312,905.21 × 71,228,586.63
  4. Step 4: Simplify right side
    148,971,885.51x = 15,906,262,614,347,462
  5. Step 5: Solve for x
    x = 15,906,262,614,347,462/148,971,885.51
  6. Step 6: Final answer
    x = 106,773,587.24

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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.