Home / 121,407,801.01-167,436,881.67-86,055,681.49

Finding the Fourth Proportional to 121,407,801.01, 167,436,881.67 and 86,055,681.49

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Solution

The fourth proportional to 121,407,801.01, 167,436,881.67 and 86,055,681.49 is: 118,681,788.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,407,801.01 : 167,436,881.67 = 86,055,681.49 : x
  2. Step 2: Convert to fraction form
    121,407,801.01/167,436,881.67 = 86,055,681.49/x
  3. Step 3: Cross multiply
    121,407,801.01x = 167,436,881.67 × 86,055,681.49
  4. Step 4: Simplify right side
    121,407,801.01x = 14,408,894,958,672,338
  5. Step 5: Solve for x
    x = 14,408,894,958,672,338/121,407,801.01
  6. Step 6: Final answer
    x = 118,681,788.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.