Home / 124,427,017.20-186,640,525.80-98,728,892.40

Finding the Fourth Proportional to 124,427,017.20, 186,640,525.80 and 98,728,892.40

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Solution

The fourth proportional to 124,427,017.20, 186,640,525.80 and 98,728,892.40 is: 148,093,338.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,427,017.20 : 186,640,525.80 = 98,728,892.40 : x
  2. Step 2: Convert to fraction form
    124,427,017.20/186,640,525.80 = 98,728,892.40/x
  3. Step 3: Cross multiply
    124,427,017.20x = 186,640,525.80 × 98,728,892.40
  4. Step 4: Simplify right side
    124,427,017.20x = 18,426,812,389,187,628
  5. Step 5: Solve for x
    x = 18,426,812,389,187,628/124,427,017.20
  6. Step 6: Final answer
    x = 148,093,338.60

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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.