Home / 295,219,320.20-442,657,657.78-139,771,823.16

Finding the Fourth Proportional to 295,219,320.20, 442,657,657.78 and 139,771,823.16

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Solution

The fourth proportional to 295,219,320.20, 442,657,657.78 and 139,771,823.16 is: 209,576,621.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,219,320.20 : 442,657,657.78 = 139,771,823.16 : x
  2. Step 2: Convert to fraction form
    295,219,320.20/442,657,657.78 = 139,771,823.16/x
  3. Step 3: Cross multiply
    295,219,320.20x = 442,657,657.78 × 139,771,823.16
  4. Step 4: Simplify right side
    295,219,320.20x = 61,871,067,863,296,520
  5. Step 5: Solve for x
    x = 61,871,067,863,296,520/295,219,320.20
  6. Step 6: Final answer
    x = 209,576,621.96

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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.