Home / 115,003,159.48-172,403,961.72-43,249,963.96

Finding the Fourth Proportional to 115,003,159.48, 172,403,961.72 and 43,249,963.96

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Solution

The fourth proportional to 115,003,159.48, 172,403,961.72 and 43,249,963.96 is: 64,837,045.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,003,159.48 : 172,403,961.72 = 43,249,963.96 : x
  2. Step 2: Convert to fraction form
    115,003,159.48/172,403,961.72 = 43,249,963.96/x
  3. Step 3: Cross multiply
    115,003,159.48x = 172,403,961.72 × 43,249,963.96
  4. Step 4: Simplify right side
    115,003,159.48x = 7,456,465,130,951,220
  5. Step 5: Solve for x
    x = 7,456,465,130,951,220/115,003,159.48
  6. Step 6: Final answer
    x = 64,837,045.91

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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.