Home / 124,427,263.20-186,640,894.80-98,729,138.40

Finding the Fourth Proportional to 124,427,263.20, 186,640,894.80 and 98,729,138.40

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Solution

The fourth proportional to 124,427,263.20, 186,640,894.80 and 98,729,138.40 is: 148,093,707.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,427,263.20 : 186,640,894.80 = 98,729,138.40 : x
  2. Step 2: Convert to fraction form
    124,427,263.20/186,640,894.80 = 98,729,138.40/x
  3. Step 3: Cross multiply
    124,427,263.20x = 186,640,894.80 × 98,729,138.40
  4. Step 4: Simplify right side
    124,427,263.20x = 18,426,894,733,809,044
  5. Step 5: Solve for x
    x = 18,426,894,733,809,044/124,427,263.20
  6. Step 6: Final answer
    x = 148,093,707.60

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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.