Home / 283,458,495.87-391,172,721.03-153,078,303.87

Finding the Fourth Proportional to 283,458,495.87, 391,172,721.03 and 153,078,303.87

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Solution

The fourth proportional to 283,458,495.87, 391,172,721.03 and 153,078,303.87 is: 211,248,057.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,458,495.87 : 391,172,721.03 = 153,078,303.87 : x
  2. Step 2: Convert to fraction form
    283,458,495.87/391,172,721.03 = 153,078,303.87/x
  3. Step 3: Cross multiply
    283,458,495.87x = 391,172,721.03 × 153,078,303.87
  4. Step 4: Simplify right side
    283,458,495.87x = 59,880,056,655,485,080
  5. Step 5: Solve for x
    x = 59,880,056,655,485,080/283,458,495.87
  6. Step 6: Final answer
    x = 211,248,057.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.