Home / 124,282,970.39-186,478,214.78-66,707,981.06

Finding the Fourth Proportional to 124,282,970.39, 186,478,214.78 and 66,707,981.06

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Solution

The fourth proportional to 124,282,970.39, 186,478,214.78 and 66,707,981.06 is: 100,090,826.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,282,970.39 : 186,478,214.78 = 66,707,981.06 : x
  2. Step 2: Convert to fraction form
    124,282,970.39/186,478,214.78 = 66,707,981.06/x
  3. Step 3: Cross multiply
    124,282,970.39x = 186,478,214.78 × 66,707,981.06
  4. Step 4: Simplify right side
    124,282,970.39x = 12,439,585,218,881,230
  5. Step 5: Solve for x
    x = 12,439,585,218,881,230/124,282,970.39
  6. Step 6: Final answer
    x = 100,090,826.44

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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.