Home / 43,103,420.40-64,655,130.60-38,426,739.60

Finding the Fourth Proportional to 43,103,420.40, 64,655,130.60 and 38,426,739.60

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Solution

The fourth proportional to 43,103,420.40, 64,655,130.60 and 38,426,739.60 is: 57,640,109.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,103,420.40 : 64,655,130.60 = 38,426,739.60 : x
  2. Step 2: Convert to fraction form
    43,103,420.40/64,655,130.60 = 38,426,739.60/x
  3. Step 3: Cross multiply
    43,103,420.40x = 64,655,130.60 × 38,426,739.60
  4. Step 4: Simplify right side
    43,103,420.40x = 2,484,485,867,370,192
  5. Step 5: Solve for x
    x = 2,484,485,867,370,192/43,103,420.40
  6. Step 6: Final answer
    x = 57,640,109.40

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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.