Home / 66,288,547.20-99,264,859.20-52,851,619.20

Finding the Fourth Proportional to 66,288,547.20, 99,264,859.20 and 52,851,619.20

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Solution

The fourth proportional to 66,288,547.20, 99,264,859.20 and 52,851,619.20 is: 79,143,513.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,288,547.20 : 99,264,859.20 = 52,851,619.20 : x
  2. Step 2: Convert to fraction form
    66,288,547.20/99,264,859.20 = 52,851,619.20/x
  3. Step 3: Cross multiply
    66,288,547.20x = 99,264,859.20 × 52,851,619.20
  4. Step 4: Simplify right side
    66,288,547.20x = 5,246,308,538,380,017
  5. Step 5: Solve for x
    x = 5,246,308,538,380,017/66,288,547.20
  6. Step 6: Final answer
    x = 79,143,513.62

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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.