Home / 199,485,510.60-299,417,222.70-122,958,006.60

Finding the Fourth Proportional to 199,485,510.60, 299,417,222.70 and 122,958,006.60

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Solution

The fourth proportional to 199,485,510.60, 299,417,222.70 and 122,958,006.60 is: 184,553,478.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,485,510.60 : 299,417,222.70 = 122,958,006.60 : x
  2. Step 2: Convert to fraction form
    199,485,510.60/299,417,222.70 = 122,958,006.60/x
  3. Step 3: Cross multiply
    199,485,510.60x = 299,417,222.70 × 122,958,006.60
  4. Step 4: Simplify right side
    199,485,510.60x = 36,815,744,844,900,264
  5. Step 5: Solve for x
    x = 36,815,744,844,900,264/199,485,510.60
  6. Step 6: Final answer
    x = 184,553,478.27

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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.