Home / 66,715,079.32-92,019,347.76-61,226,179.12

Finding the Fourth Proportional to 66,715,079.32, 92,019,347.76 and 61,226,179.12

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Solution

The fourth proportional to 66,715,079.32, 92,019,347.76 and 61,226,179.12 is: 84,448,570.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,715,079.32 : 92,019,347.76 = 61,226,179.12 : x
  2. Step 2: Convert to fraction form
    66,715,079.32/92,019,347.76 = 61,226,179.12/x
  3. Step 3: Cross multiply
    66,715,079.32x = 92,019,347.76 × 61,226,179.12
  4. Step 4: Simplify right side
    66,715,079.32x = 5,633,993,068,459,331
  5. Step 5: Solve for x
    x = 5,633,993,068,459,331/66,715,079.32
  6. Step 6: Final answer
    x = 84,448,570.34

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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.