Home / 148,971,886.51-223,312,906.71-71,228,587.63

Finding the Fourth Proportional to 148,971,886.51, 223,312,906.71 and 71,228,587.63

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Solution

The fourth proportional to 148,971,886.51, 223,312,906.71 and 71,228,587.63 is: 106,773,588.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,971,886.51 : 223,312,906.71 = 71,228,587.63 : x
  2. Step 2: Convert to fraction form
    148,971,886.51/223,312,906.71 = 71,228,587.63/x
  3. Step 3: Cross multiply
    148,971,886.51x = 223,312,906.71 × 71,228,587.63
  4. Step 4: Simplify right side
    148,971,886.51x = 15,906,262,944,503,250
  5. Step 5: Solve for x
    x = 15,906,262,944,503,250/148,971,886.51
  6. Step 6: Final answer
    x = 106,773,588.74

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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.