Home / 70,988,216.15-97,968,218.42-40,037,092.31

Finding the Fourth Proportional to 70,988,216.15, 97,968,218.42 and 40,037,092.31

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Solution

The fourth proportional to 70,988,216.15, 97,968,218.42 and 40,037,092.31 is: 55,253,714.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,988,216.15 : 97,968,218.42 = 40,037,092.31 : x
  2. Step 2: Convert to fraction form
    70,988,216.15/97,968,218.42 = 40,037,092.31/x
  3. Step 3: Cross multiply
    70,988,216.15x = 97,968,218.42 × 40,037,092.31
  4. Step 4: Simplify right side
    70,988,216.15x = 3,922,362,603,938,034
  5. Step 5: Solve for x
    x = 3,922,362,603,938,034/70,988,216.15
  6. Step 6: Final answer
    x = 55,253,714.16

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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.