Home / 60,631,970.70-90,947,956.05-28,346,929.95

Finding the Fourth Proportional to 60,631,970.70, 90,947,956.05 and 28,346,929.95

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Solution

The fourth proportional to 60,631,970.70, 90,947,956.05 and 28,346,929.95 is: 42,520,394.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,631,970.70 : 90,947,956.05 = 28,346,929.95 : x
  2. Step 2: Convert to fraction form
    60,631,970.70/90,947,956.05 = 28,346,929.95/x
  3. Step 3: Cross multiply
    60,631,970.70x = 90,947,956.05 × 28,346,929.95
  4. Step 4: Simplify right side
    60,631,970.70x = 2,578,095,339,245,028.50
  5. Step 5: Solve for x
    x = 2,578,095,339,245,028.50/60,631,970.70
  6. Step 6: Final answer
    x = 42,520,394.93

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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.