Home / 137,609,916.06-189,901,629.36-75,730,254.60

Finding the Fourth Proportional to 137,609,916.06, 189,901,629.36 and 75,730,254.60

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Solution

The fourth proportional to 137,609,916.06, 189,901,629.36 and 75,730,254.60 is: 104,507,721.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,609,916.06 : 189,901,629.36 = 75,730,254.60 : x
  2. Step 2: Convert to fraction form
    137,609,916.06/189,901,629.36 = 75,730,254.60/x
  3. Step 3: Cross multiply
    137,609,916.06x = 189,901,629.36 × 75,730,254.60
  4. Step 4: Simplify right side
    137,609,916.06x = 14,381,298,740,387,636
  5. Step 5: Solve for x
    x = 14,381,298,740,387,636/137,609,916.06
  6. Step 6: Final answer
    x = 104,507,721.19

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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.