Home / 358,896,031.20-538,344,046.80-116,583,429.60

Finding the Fourth Proportional to 358,896,031.20, 538,344,046.80 and 116,583,429.60

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Solution

The fourth proportional to 358,896,031.20, 538,344,046.80 and 116,583,429.60 is: 174,875,144.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,896,031.20 : 538,344,046.80 = 116,583,429.60 : x
  2. Step 2: Convert to fraction form
    358,896,031.20/538,344,046.80 = 116,583,429.60/x
  3. Step 3: Cross multiply
    358,896,031.20x = 538,344,046.80 × 116,583,429.60
  4. Step 4: Simplify right side
    358,896,031.20x = 62,761,995,280,686,896
  5. Step 5: Solve for x
    x = 62,761,995,280,686,896/358,896,031.20
  6. Step 6: Final answer
    x = 174,875,144.40

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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.