Home / 115,216,154.29-172,841,421.26-42,427,341.37

Finding the Fourth Proportional to 115,216,154.29, 172,841,421.26 and 42,427,341.37

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Solution

The fourth proportional to 115,216,154.29, 172,841,421.26 and 42,427,341.37 is: 63,647,342.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,216,154.29 : 172,841,421.26 = 42,427,341.37 : x
  2. Step 2: Convert to fraction form
    115,216,154.29/172,841,421.26 = 42,427,341.37/x
  3. Step 3: Cross multiply
    115,216,154.29x = 172,841,421.26 × 42,427,341.37
  4. Step 4: Simplify right side
    115,216,154.29x = 7,333,201,982,673,995
  5. Step 5: Solve for x
    x = 7,333,201,982,673,995/115,216,154.29
  6. Step 6: Final answer
    x = 63,647,342.06

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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.