Home / 121,210,681.76-181,816,024.16-29,094,419.60

Finding the Fourth Proportional to 121,210,681.76, 181,816,024.16 and 29,094,419.60

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Solution

The fourth proportional to 121,210,681.76, 181,816,024.16 and 29,094,419.60 is: 43,641,629.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,210,681.76 : 181,816,024.16 = 29,094,419.60 : x
  2. Step 2: Convert to fraction form
    121,210,681.76/181,816,024.16 = 29,094,419.60/x
  3. Step 3: Cross multiply
    121,210,681.76x = 181,816,024.16 × 29,094,419.60
  4. Step 4: Simplify right side
    121,210,681.76x = 5,289,831,696,914,778
  5. Step 5: Solve for x
    x = 5,289,831,696,914,778/121,210,681.76
  6. Step 6: Final answer
    x = 43,641,629.76

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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.