Home / 66,051,031.80-98,982,069.30-48,643,386.60

Finding the Fourth Proportional to 66,051,031.80, 98,982,069.30 and 48,643,386.60

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Solution

The fourth proportional to 66,051,031.80, 98,982,069.30 and 48,643,386.60 is: 72,895,501.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,051,031.80 : 98,982,069.30 = 48,643,386.60 : x
  2. Step 2: Convert to fraction form
    66,051,031.80/98,982,069.30 = 48,643,386.60/x
  3. Step 3: Cross multiply
    66,051,031.80x = 98,982,069.30 × 48,643,386.60
  4. Step 4: Simplify right side
    66,051,031.80x = 4,814,823,063,427,891
  5. Step 5: Solve for x
    x = 4,814,823,063,427,891/66,051,031.80
  6. Step 6: Final answer
    x = 72,895,501.13

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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.