Home / 65,557,075.80-98,335,613.70-20,112,965.40

Finding the Fourth Proportional to 65,557,075.80, 98,335,613.70 and 20,112,965.40

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Solution

The fourth proportional to 65,557,075.80, 98,335,613.70 and 20,112,965.40 is: 30,169,448.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,557,075.80 : 98,335,613.70 = 20,112,965.40 : x
  2. Step 2: Convert to fraction form
    65,557,075.80/98,335,613.70 = 20,112,965.40/x
  3. Step 3: Cross multiply
    65,557,075.80x = 98,335,613.70 × 20,112,965.40
  4. Step 4: Simplify right side
    65,557,075.80x = 1,977,820,795,935,866
  5. Step 5: Solve for x
    x = 1,977,820,795,935,866/65,557,075.80
  6. Step 6: Final answer
    x = 30,169,448.10

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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.