Home / 145,382,338.04-218,075,406.57-48,338,045.66

Finding the Fourth Proportional to 145,382,338.04, 218,075,406.57 and 48,338,045.66

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Solution

The fourth proportional to 145,382,338.04, 218,075,406.57 and 48,338,045.66 is: 72,507,700.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,382,338.04 : 218,075,406.57 = 48,338,045.66 : x
  2. Step 2: Convert to fraction form
    145,382,338.04/218,075,406.57 = 48,338,045.66/x
  3. Step 3: Cross multiply
    145,382,338.04x = 218,075,406.57 × 48,338,045.66
  4. Step 4: Simplify right side
    145,382,338.04x = 10,541,338,960,103,722
  5. Step 5: Solve for x
    x = 10,541,338,960,103,722/145,382,338.04
  6. Step 6: Final answer
    x = 72,507,700.06

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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.