Home / 89,362,239.40-134,043,359.10-55,350,015.40

Finding the Fourth Proportional to 89,362,239.40, 134,043,359.10 and 55,350,015.40

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Solution

The fourth proportional to 89,362,239.40, 134,043,359.10 and 55,350,015.40 is: 83,025,023.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,362,239.40 : 134,043,359.10 = 55,350,015.40 : x
  2. Step 2: Convert to fraction form
    89,362,239.40/134,043,359.10 = 55,350,015.40/x
  3. Step 3: Cross multiply
    89,362,239.40x = 134,043,359.10 × 55,350,015.40
  4. Step 4: Simplify right side
    89,362,239.40x = 7,419,301,990,452,730
  5. Step 5: Solve for x
    x = 7,419,301,990,452,730/89,362,239.40
  6. Step 6: Final answer
    x = 83,025,023.10

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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.