Home / 198,943,946.80-298,415,920.20-118,123,313.20

Finding the Fourth Proportional to 198,943,946.80, 298,415,920.20 and 118,123,313.20

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Solution

The fourth proportional to 198,943,946.80, 298,415,920.20 and 118,123,313.20 is: 177,184,969.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,943,946.80 : 298,415,920.20 = 118,123,313.20 : x
  2. Step 2: Convert to fraction form
    198,943,946.80/298,415,920.20 = 118,123,313.20/x
  3. Step 3: Cross multiply
    198,943,946.80x = 298,415,920.20 × 118,123,313.20
  4. Step 4: Simplify right side
    198,943,946.80x = 35,249,877,205,650,808
  5. Step 5: Solve for x
    x = 35,249,877,205,650,808/198,943,946.80
  6. Step 6: Final answer
    x = 177,184,969.80

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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.