Home / 129,350,916.16-178,504,989.34-73,596,335.22

Finding the Fourth Proportional to 129,350,916.16, 178,504,989.34 and 73,596,335.22

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Solution

The fourth proportional to 129,350,916.16, 178,504,989.34 and 73,596,335.22 is: 101,563,355.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,350,916.16 : 178,504,989.34 = 73,596,335.22 : x
  2. Step 2: Convert to fraction form
    129,350,916.16/178,504,989.34 = 73,596,335.22/x
  3. Step 3: Cross multiply
    129,350,916.16x = 178,504,989.34 × 73,596,335.22
  4. Step 4: Simplify right side
    129,350,916.16x = 13,137,313,033,909,166
  5. Step 5: Solve for x
    x = 13,137,313,033,909,166/129,350,916.16
  6. Step 6: Final answer
    x = 101,563,355.13

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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.