Home / 70,838,089.21-97,781,020.19-41,478,858.37

Finding the Fourth Proportional to 70,838,089.21, 97,781,020.19 and 41,478,858.37

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Solution

The fourth proportional to 70,838,089.21, 97,781,020.19 and 41,478,858.37 is: 57,255,145.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,838,089.21 : 97,781,020.19 = 41,478,858.37 : x
  2. Step 2: Convert to fraction form
    70,838,089.21/97,781,020.19 = 41,478,858.37/x
  3. Step 3: Cross multiply
    70,838,089.21x = 97,781,020.19 × 41,478,858.37
  4. Step 4: Simplify right side
    70,838,089.21x = 4,055,845,087,735,120
  5. Step 5: Solve for x
    x = 4,055,845,087,735,120/70,838,089.21
  6. Step 6: Final answer
    x = 57,255,145.26

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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.