Home / 68,842,068.30-103,263,102.45-64,803,116.70

Finding the Fourth Proportional to 68,842,068.30, 103,263,102.45 and 64,803,116.70

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Solution

The fourth proportional to 68,842,068.30, 103,263,102.45 and 64,803,116.70 is: 97,204,675.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,842,068.30 : 103,263,102.45 = 64,803,116.70 : x
  2. Step 2: Convert to fraction form
    68,842,068.30/103,263,102.45 = 64,803,116.70/x
  3. Step 3: Cross multiply
    68,842,068.30x = 103,263,102.45 × 64,803,116.70
  4. Step 4: Simplify right side
    68,842,068.30x = 6,691,770,878,871,406
  5. Step 5: Solve for x
    x = 6,691,770,878,871,406/68,842,068.30
  6. Step 6: Final answer
    x = 97,204,675.05

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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.