Home / 146,528,437.39-202,209,641.48-80,453,215.42

Finding the Fourth Proportional to 146,528,437.39, 202,209,641.48 and 80,453,215.42

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Solution

The fourth proportional to 146,528,437.39, 202,209,641.48 and 80,453,215.42 is: 111,025,655.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,528,437.39 : 202,209,641.48 = 80,453,215.42 : x
  2. Step 2: Convert to fraction form
    146,528,437.39/202,209,641.48 = 80,453,215.42/x
  3. Step 3: Cross multiply
    146,528,437.39x = 202,209,641.48 × 80,453,215.42
  4. Step 4: Simplify right side
    146,528,437.39x = 16,268,415,845,991,408
  5. Step 5: Solve for x
    x = 16,268,415,845,991,408/146,528,437.39
  6. Step 6: Final answer
    x = 111,025,655.74

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1.5x scale

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.