Home / 124,443,009.30-186,664,513.95-112,113,578.10

Finding the Fourth Proportional to 124,443,009.30, 186,664,513.95 and 112,113,578.10

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Solution

The fourth proportional to 124,443,009.30, 186,664,513.95 and 112,113,578.10 is: 168,170,367.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,443,009.30 : 186,664,513.95 = 112,113,578.10 : x
  2. Step 2: Convert to fraction form
    124,443,009.30/186,664,513.95 = 112,113,578.10/x
  3. Step 3: Cross multiply
    124,443,009.30x = 186,664,513.95 × 112,113,578.10
  4. Step 4: Simplify right side
    124,443,009.30x = 20,927,626,563,231,864
  5. Step 5: Solve for x
    x = 20,927,626,563,231,864/124,443,009.30
  6. Step 6: Final answer
    x = 168,170,367.15

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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.