Home / 43,103,426.40-64,655,139.60-38,426,745.60

Finding the Fourth Proportional to 43,103,426.40, 64,655,139.60 and 38,426,745.60

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Solution

The fourth proportional to 43,103,426.40, 64,655,139.60 and 38,426,745.60 is: 57,640,118.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,103,426.40 : 64,655,139.60 = 38,426,745.60 : x
  2. Step 2: Convert to fraction form
    43,103,426.40/64,655,139.60 = 38,426,745.60/x
  3. Step 3: Cross multiply
    43,103,426.40x = 64,655,139.60 × 38,426,745.60
  4. Step 4: Simplify right side
    43,103,426.40x = 2,484,486,601,141,686
  5. Step 5: Solve for x
    x = 2,484,486,601,141,686/43,103,426.40
  6. Step 6: Final answer
    x = 57,640,118.40

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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.