Home / 85,927,428.31-118,589,948.34-48,256,783.18

Finding the Fourth Proportional to 85,927,428.31, 118,589,948.34 and 48,256,783.18

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Solution

The fourth proportional to 85,927,428.31, 118,589,948.34 and 48,256,783.18 is: 66,600,031.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,927,428.31 : 118,589,948.34 = 48,256,783.18 : x
  2. Step 2: Convert to fraction form
    85,927,428.31/118,589,948.34 = 48,256,783.18/x
  3. Step 3: Cross multiply
    85,927,428.31x = 118,589,948.34 × 48,256,783.18
  4. Step 4: Simplify right side
    85,927,428.31x = 5,722,769,424,370,781
  5. Step 5: Solve for x
    x = 5,722,769,424,370,781/85,927,428.31
  6. Step 6: Final answer
    x = 66,600,031.41

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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.