Home / 98,415,999.80-147,623,999.70-52,499,497.40

Finding the Fourth Proportional to 98,415,999.80, 147,623,999.70 and 52,499,497.40

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Solution

The fourth proportional to 98,415,999.80, 147,623,999.70 and 52,499,497.40 is: 78,749,246.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,415,999.80 : 147,623,999.70 = 52,499,497.40 : x
  2. Step 2: Convert to fraction form
    98,415,999.80/147,623,999.70 = 52,499,497.40/x
  3. Step 3: Cross multiply
    98,415,999.80x = 147,623,999.70 × 52,499,497.40
  4. Step 4: Simplify right side
    98,415,999.80x = 7,750,185,788,427,750
  5. Step 5: Solve for x
    x = 7,750,185,788,427,750/98,415,999.80
  6. Step 6: Final answer
    x = 78,749,246.10

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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.