Home / 115,003,159.23-172,403,961.35-43,249,963.71

Finding the Fourth Proportional to 115,003,159.23, 172,403,961.35 and 43,249,963.71

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Solution

The fourth proportional to 115,003,159.23, 172,403,961.35 and 43,249,963.71 is: 64,837,045.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,003,159.23 : 172,403,961.35 = 43,249,963.71 : x
  2. Step 2: Convert to fraction form
    115,003,159.23/172,403,961.35 = 43,249,963.71/x
  3. Step 3: Cross multiply
    115,003,159.23x = 172,403,961.35 × 43,249,963.71
  4. Step 4: Simplify right side
    115,003,159.23x = 7,456,465,071,631,493
  5. Step 5: Solve for x
    x = 7,456,465,071,631,493/115,003,159.23
  6. Step 6: Final answer
    x = 64,837,045.53

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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.