Home / 295,219,321.20-442,657,659.28-139,771,824.16

Finding the Fourth Proportional to 295,219,321.20, 442,657,659.28 and 139,771,824.16

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Solution

The fourth proportional to 295,219,321.20, 442,657,659.28 and 139,771,824.16 is: 209,576,623.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,219,321.20 : 442,657,659.28 = 139,771,824.16 : x
  2. Step 2: Convert to fraction form
    295,219,321.20/442,657,659.28 = 139,771,824.16/x
  3. Step 3: Cross multiply
    295,219,321.20x = 442,657,659.28 × 139,771,824.16
  4. Step 4: Simplify right side
    295,219,321.20x = 61,871,068,515,262,488
  5. Step 5: Solve for x
    x = 61,871,068,515,262,488/295,219,321.20
  6. Step 6: Final answer
    x = 209,576,623.46

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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.