Home / 43,103,418.90-64,655,128.35-38,426,738.10

Finding the Fourth Proportional to 43,103,418.90, 64,655,128.35 and 38,426,738.10

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Solution

The fourth proportional to 43,103,418.90, 64,655,128.35 and 38,426,738.10 is: 57,640,107.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,103,418.90 : 64,655,128.35 = 38,426,738.10 : x
  2. Step 2: Convert to fraction form
    43,103,418.90/64,655,128.35 = 38,426,738.10/x
  3. Step 3: Cross multiply
    43,103,418.90x = 64,655,128.35 × 38,426,738.10
  4. Step 4: Simplify right side
    43,103,418.90x = 2,484,485,683,927,335.50
  5. Step 5: Solve for x
    x = 2,484,485,683,927,335.50/43,103,418.90
  6. Step 6: Final answer
    x = 57,640,107.15

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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.