Home / 113,786,172.90-157,024,918.80-61,575,208.54

Finding the Fourth Proportional to 113,786,172.90, 157,024,918.80 and 61,575,208.54

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Solution

The fourth proportional to 113,786,172.90, 157,024,918.80 and 61,575,208.54 is: 84,973,787.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,786,172.90 : 157,024,918.80 = 61,575,208.54 : x
  2. Step 2: Convert to fraction form
    113,786,172.90/157,024,918.80 = 61,575,208.54/x
  3. Step 3: Cross multiply
    113,786,172.90x = 157,024,918.80 × 61,575,208.54
  4. Step 4: Simplify right side
    113,786,172.90x = 9,668,842,120,694,006
  5. Step 5: Solve for x
    x = 9,668,842,120,694,006/113,786,172.90
  6. Step 6: Final answer
    x = 84,973,787.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.