Home / 295,219,341.54-442,657,689.80-139,771,844.55

Finding the Fourth Proportional to 295,219,341.54, 442,657,689.80 and 139,771,844.55

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Solution

The fourth proportional to 295,219,341.54, 442,657,689.80 and 139,771,844.55 is: 209,576,654.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,219,341.54 : 442,657,689.80 = 139,771,844.55 : x
  2. Step 2: Convert to fraction form
    295,219,341.54/442,657,689.80 = 139,771,844.55/x
  3. Step 3: Cross multiply
    295,219,341.54x = 442,657,689.80 × 139,771,844.55
  4. Step 4: Simplify right side
    295,219,341.54x = 61,871,081,806,888,872
  5. Step 5: Solve for x
    x = 61,871,081,806,888,872/295,219,341.54
  6. Step 6: Final answer
    x = 209,576,654.04

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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.