Home / 70,110,386.64-105,165,438.93-65,843,949.51

Finding the Fourth Proportional to 70,110,386.64, 105,165,438.93 and 65,843,949.51

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Solution

The fourth proportional to 70,110,386.64, 105,165,438.93 and 65,843,949.51 is: 98,765,791.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,110,386.64 : 105,165,438.93 = 65,843,949.51 : x
  2. Step 2: Convert to fraction form
    70,110,386.64/105,165,438.93 = 65,843,949.51/x
  3. Step 3: Cross multiply
    70,110,386.64x = 105,165,438.93 × 65,843,949.51
  4. Step 4: Simplify right side
    70,110,386.64x = 6,924,507,851,103,909
  5. Step 5: Solve for x
    x = 6,924,507,851,103,909/70,110,386.64
  6. Step 6: Final answer
    x = 98,765,791.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.