Home / 203,937,641.60-281,430,388.80-111,118,916.48

Finding the Fourth Proportional to 203,937,641.60, 281,430,388.80 and 111,118,916.48

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Solution

The fourth proportional to 203,937,641.60, 281,430,388.80 and 111,118,916.48 is: 153,342,166.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,937,641.60 : 281,430,388.80 = 111,118,916.48 : x
  2. Step 2: Convert to fraction form
    203,937,641.60/281,430,388.80 = 111,118,916.48/x
  3. Step 3: Cross multiply
    203,937,641.60x = 281,430,388.80 × 111,118,916.48
  4. Step 4: Simplify right side
    203,937,641.60x = 31,272,239,868,001,128
  5. Step 5: Solve for x
    x = 31,272,239,868,001,128/203,937,641.60
  6. Step 6: Final answer
    x = 153,342,166.86

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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.