Home / 42,011,940.80-63,017,911.20-35,965,323.20

Finding the Fourth Proportional to 42,011,940.80, 63,017,911.20 and 35,965,323.20

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Solution

The fourth proportional to 42,011,940.80, 63,017,911.20 and 35,965,323.20 is: 53,947,984.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,011,940.80 : 63,017,911.20 = 35,965,323.20 : x
  2. Step 2: Convert to fraction form
    42,011,940.80/63,017,911.20 = 35,965,323.20/x
  3. Step 3: Cross multiply
    42,011,940.80x = 63,017,911.20 × 35,965,323.20
  4. Step 4: Simplify right side
    42,011,940.80x = 2,266,459,543,696,900
  5. Step 5: Solve for x
    x = 2,266,459,543,696,900/42,011,940.80
  6. Step 6: Final answer
    x = 53,947,984.80

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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.