Home / 199,437,176.40-299,155,764.60-91,941,752.40

Finding the Fourth Proportional to 199,437,176.40, 299,155,764.60 and 91,941,752.40

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Solution

The fourth proportional to 199,437,176.40, 299,155,764.60 and 91,941,752.40 is: 137,912,628.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,437,176.40 : 299,155,764.60 = 91,941,752.40 : x
  2. Step 2: Convert to fraction form
    199,437,176.40/299,155,764.60 = 91,941,752.40/x
  3. Step 3: Cross multiply
    199,437,176.40x = 299,155,764.60 × 91,941,752.40
  4. Step 4: Simplify right side
    199,437,176.40x = 27,504,905,237,885,888
  5. Step 5: Solve for x
    x = 27,504,905,237,885,888/199,437,176.40
  6. Step 6: Final answer
    x = 137,912,628.60

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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.