Home / 70,889,412.02-97,778,826.69-43,400,921.54

Finding the Fourth Proportional to 70,889,412.02, 97,778,826.69 and 43,400,921.54

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Solution

The fourth proportional to 70,889,412.02, 97,778,826.69 and 43,400,921.54 is: 59,863,540.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,889,412.02 : 97,778,826.69 = 43,400,921.54 : x
  2. Step 2: Convert to fraction form
    70,889,412.02/97,778,826.69 = 43,400,921.54/x
  3. Step 3: Cross multiply
    70,889,412.02x = 97,778,826.69 × 43,400,921.54
  4. Step 4: Simplify right side
    70,889,412.02x = 4,243,691,185,445,947.50
  5. Step 5: Solve for x
    x = 4,243,691,185,445,947.50/70,889,412.02
  6. Step 6: Final answer
    x = 59,863,540.47

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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.