Home / 68,005,899.48-102,048,366-28,611,267.12

Finding the Fourth Proportional to 68,005,899.48, 102,048,366 and 28,611,267.12

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Solution

The fourth proportional to 68,005,899.48, 102,048,366 and 28,611,267.12 is: 42,933,526.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,005,899.48 : 102,048,366 = 28,611,267.12 : x
  2. Step 2: Convert to fraction form
    68,005,899.48/102,048,366 = 28,611,267.12/x
  3. Step 3: Cross multiply
    68,005,899.48x = 102,048,366 × 28,611,267.12
  4. Step 4: Simplify right side
    68,005,899.48x = 2,919,733,058,785,526
  5. Step 5: Solve for x
    x = 2,919,733,058,785,526/68,005,899.48
  6. Step 6: Final answer
    x = 42,933,526.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.