Home / 85,959,637.43-118,698,030.18-83,179,989.05

Finding the Fourth Proportional to 85,959,637.43, 118,698,030.18 and 83,179,989.05

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Solution

The fourth proportional to 85,959,637.43, 118,698,030.18 and 83,179,989.05 is: 114,859,731.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,959,637.43 : 118,698,030.18 = 83,179,989.05 : x
  2. Step 2: Convert to fraction form
    85,959,637.43/118,698,030.18 = 83,179,989.05/x
  3. Step 3: Cross multiply
    85,959,637.43x = 118,698,030.18 × 83,179,989.05
  4. Step 4: Simplify right side
    85,959,637.43x = 9,873,300,850,035,480
  5. Step 5: Solve for x
    x = 9,873,300,850,035,480/85,959,637.43
  6. Step 6: Final answer
    x = 114,859,731.22

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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.