Home / 137,699,595.95-190,028,850.02-74,979,132.32

Finding the Fourth Proportional to 137,699,595.95, 190,028,850.02 and 74,979,132.32

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Solution

The fourth proportional to 137,699,595.95, 190,028,850.02 and 74,979,132.32 is: 103,473,058.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,699,595.95 : 190,028,850.02 = 74,979,132.32 : x
  2. Step 2: Convert to fraction form
    137,699,595.95/190,028,850.02 = 74,979,132.32/x
  3. Step 3: Cross multiply
    137,699,595.95x = 190,028,850.02 × 74,979,132.32
  4. Step 4: Simplify right side
    137,699,595.95x = 14,248,198,288,941,974
  5. Step 5: Solve for x
    x = 14,248,198,288,941,974/137,699,595.95
  6. Step 6: Final answer
    x = 103,473,058.08

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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.