Home / 198,749,811.60-297,947,424.60-77,553,075.60

Finding the Fourth Proportional to 198,749,811.60, 297,947,424.60 and 77,553,075.60

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Solution

The fourth proportional to 198,749,811.60, 297,947,424.60 and 77,553,075.60 is: 116,260,432.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,749,811.60 : 297,947,424.60 = 77,553,075.60 : x
  2. Step 2: Convert to fraction form
    198,749,811.60/297,947,424.60 = 77,553,075.60/x
  3. Step 3: Cross multiply
    198,749,811.60x = 297,947,424.60 × 77,553,075.60
  4. Step 4: Simplify right side
    198,749,811.60x = 23,106,739,144,829,100
  5. Step 5: Solve for x
    x = 23,106,739,144,829,100/198,749,811.60
  6. Step 6: Final answer
    x = 116,260,432.95

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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.