Home / 295,219,336.65-442,657,682.43-139,771,839.60

Finding the Fourth Proportional to 295,219,336.65, 442,657,682.43 and 139,771,839.60

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Solution

The fourth proportional to 295,219,336.65, 442,657,682.43 and 139,771,839.60 is: 209,576,646.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,219,336.65 : 442,657,682.43 = 139,771,839.60 : x
  2. Step 2: Convert to fraction form
    295,219,336.65/442,657,682.43 = 139,771,839.60/x
  3. Step 3: Cross multiply
    295,219,336.65x = 442,657,682.43 × 139,771,839.60
  4. Step 4: Simplify right side
    295,219,336.65x = 61,871,078,586,313,696
  5. Step 5: Solve for x
    x = 61,871,078,586,313,696/295,219,336.65
  6. Step 6: Final answer
    x = 209,576,646.60

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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.