Home / 43,104,728.40-64,657,092.60-38,428,047.60

Finding the Fourth Proportional to 43,104,728.40, 64,657,092.60 and 38,428,047.60

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Solution

The fourth proportional to 43,104,728.40, 64,657,092.60 and 38,428,047.60 is: 57,642,071.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,104,728.40 : 64,657,092.60 = 38,428,047.60 : x
  2. Step 2: Convert to fraction form
    43,104,728.40/64,657,092.60 = 38,428,047.60/x
  3. Step 3: Cross multiply
    43,104,728.40x = 64,657,092.60 × 38,428,047.60
  4. Step 4: Simplify right side
    43,104,728.40x = 2,484,645,832,110,408
  5. Step 5: Solve for x
    x = 2,484,645,832,110,408/43,104,728.40
  6. Step 6: Final answer
    x = 57,642,071.40

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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.