Home / 345,161,801.52-517,744,637.91-115,130,254.68

Finding the Fourth Proportional to 345,161,801.52, 517,744,637.91 and 115,130,254.68

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Solution

The fourth proportional to 345,161,801.52, 517,744,637.91 and 115,130,254.68 is: 172,696,027.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,161,801.52 : 517,744,637.91 = 115,130,254.68 : x
  2. Step 2: Convert to fraction form
    345,161,801.52/517,744,637.91 = 115,130,254.68/x
  3. Step 3: Cross multiply
    345,161,801.52x = 517,744,637.91 × 115,130,254.68
  4. Step 4: Simplify right side
    345,161,801.52x = 59,608,072,021,782,688
  5. Step 5: Solve for x
    x = 59,608,072,021,782,688/345,161,801.52
  6. Step 6: Final answer
    x = 172,696,027.66

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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.