Home / 124,089,041.47-171,237,353.42-71,127,781.15

Finding the Fourth Proportional to 124,089,041.47, 171,237,353.42 and 71,127,781.15

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Solution

The fourth proportional to 124,089,041.47, 171,237,353.42 and 71,127,781.15 is: 98,153,171.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,089,041.47 : 171,237,353.42 = 71,127,781.15 : x
  2. Step 2: Convert to fraction form
    124,089,041.47/171,237,353.42 = 71,127,781.15/x
  3. Step 3: Cross multiply
    124,089,041.47x = 171,237,353.42 × 71,127,781.15
  4. Step 4: Simplify right side
    124,089,041.47x = 12,179,732,997,551,138
  5. Step 5: Solve for x
    x = 12,179,732,997,551,138/124,089,041.47
  6. Step 6: Final answer
    x = 98,153,171.74

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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.