Home / 65,014,368.64-89,707,194.80-38,547,833.60

Finding the Fourth Proportional to 65,014,368.64, 89,707,194.80 and 38,547,833.60

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Solution

The fourth proportional to 65,014,368.64, 89,707,194.80 and 38,547,833.60 is: 53,188,519.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,014,368.64 : 89,707,194.80 = 38,547,833.60 : x
  2. Step 2: Convert to fraction form
    65,014,368.64/89,707,194.80 = 38,547,833.60/x
  3. Step 3: Cross multiply
    65,014,368.64x = 89,707,194.80 × 38,547,833.60
  4. Step 4: Simplify right side
    65,014,368.64x = 3,458,018,017,873,185.50
  5. Step 5: Solve for x
    x = 3,458,018,017,873,185.50/65,014,368.64
  6. Step 6: Final answer
    x = 53,188,519.56

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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.