Home / 85,520,762.96-118,014,107.52-48,348,820.79

Finding the Fourth Proportional to 85,520,762.96, 118,014,107.52 and 48,348,820.79

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Solution

The fourth proportional to 85,520,762.96, 118,014,107.52 and 48,348,820.79 is: 66,718,802.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,520,762.96 : 118,014,107.52 = 48,348,820.79 : x
  2. Step 2: Convert to fraction form
    85,520,762.96/118,014,107.52 = 48,348,820.79/x
  3. Step 3: Cross multiply
    85,520,762.96x = 118,014,107.52 × 48,348,820.79
  4. Step 4: Simplify right side
    85,520,762.96x = 5,705,842,934,586,200
  5. Step 5: Solve for x
    x = 5,705,842,934,586,200/85,520,762.96
  6. Step 6: Final answer
    x = 66,718,802.98

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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.