Home / 68,142,003.80-102,213,005.70-43,955,533.40

Finding the Fourth Proportional to 68,142,003.80, 102,213,005.70 and 43,955,533.40

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Solution

The fourth proportional to 68,142,003.80, 102,213,005.70 and 43,955,533.40 is: 65,933,300.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,142,003.80 : 102,213,005.70 = 43,955,533.40 : x
  2. Step 2: Convert to fraction form
    68,142,003.80/102,213,005.70 = 43,955,533.40/x
  3. Step 3: Cross multiply
    68,142,003.80x = 102,213,005.70 × 43,955,533.40
  4. Step 4: Simplify right side
    68,142,003.80x = 4,492,827,185,960,740.50
  5. Step 5: Solve for x
    x = 4,492,827,185,960,740.50/68,142,003.80
  6. Step 6: Final answer
    x = 65,933,300.10

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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.