Home / 145,010,172.12-217,513,128.43-35,835,340.22

Finding the Fourth Proportional to 145,010,172.12, 217,513,128.43 and 35,835,340.22

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Solution

The fourth proportional to 145,010,172.12, 217,513,128.43 and 35,835,340.22 is: 53,752,484.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,010,172.12 : 217,513,128.43 = 35,835,340.22 : x
  2. Step 2: Convert to fraction form
    145,010,172.12/217,513,128.43 = 35,835,340.22/x
  3. Step 3: Cross multiply
    145,010,172.12x = 217,513,128.43 × 35,835,340.22
  4. Step 4: Simplify right side
    145,010,172.12x = 7,794,656,959,378,507
  5. Step 5: Solve for x
    x = 7,794,656,959,378,507/145,010,172.12
  6. Step 6: Final answer
    x = 53,752,484.02

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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.