Home / 124,426,837.20-186,640,255.80-98,728,712.40

Finding the Fourth Proportional to 124,426,837.20, 186,640,255.80 and 98,728,712.40

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Solution

The fourth proportional to 124,426,837.20, 186,640,255.80 and 98,728,712.40 is: 148,093,068.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,426,837.20 : 186,640,255.80 = 98,728,712.40 : x
  2. Step 2: Convert to fraction form
    124,426,837.20/186,640,255.80 = 98,728,712.40/x
  3. Step 3: Cross multiply
    124,426,837.20x = 186,640,255.80 × 98,728,712.40
  4. Step 4: Simplify right side
    124,426,837.20x = 18,426,752,137,140,636
  5. Step 5: Solve for x
    x = 18,426,752,137,140,636/124,426,837.20
  6. Step 6: Final answer
    x = 148,093,068.60

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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.