Home / 66,715,087.32-92,019,358.80-61,226,187.12

Finding the Fourth Proportional to 66,715,087.32, 92,019,358.80 and 61,226,187.12

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Solution

The fourth proportional to 66,715,087.32, 92,019,358.80 and 61,226,187.12 is: 84,448,581.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,715,087.32 : 92,019,358.80 = 61,226,187.12 : x
  2. Step 2: Convert to fraction form
    66,715,087.32/92,019,358.80 = 61,226,187.12/x
  3. Step 3: Cross multiply
    66,715,087.32x = 92,019,358.80 × 61,226,187.12
  4. Step 4: Simplify right side
    66,715,087.32x = 5,633,994,480,551,218
  5. Step 5: Solve for x
    x = 5,633,994,480,551,218/66,715,087.32
  6. Step 6: Final answer
    x = 84,448,581.38

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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.