Home / 113,921,312.44-157,208,162.16-66,877,629.43

Finding the Fourth Proportional to 113,921,312.44, 157,208,162.16 and 66,877,629.43

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Solution

The fourth proportional to 113,921,312.44, 157,208,162.16 and 66,877,629.43 is: 92,289,221.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,921,312.44 : 157,208,162.16 = 66,877,629.43 : x
  2. Step 2: Convert to fraction form
    113,921,312.44/157,208,162.16 = 66,877,629.43/x
  3. Step 3: Cross multiply
    113,921,312.44x = 157,208,162.16 × 66,877,629.43
  4. Step 4: Simplify right side
    113,921,312.44x = 10,513,709,212,307,828
  5. Step 5: Solve for x
    x = 10,513,709,212,307,828/113,921,312.44
  6. Step 6: Final answer
    x = 92,289,221.28

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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.