Home / 145,382,328.56-218,075,392.33-48,338,036.15

Finding the Fourth Proportional to 145,382,328.56, 218,075,392.33 and 48,338,036.15

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Solution

The fourth proportional to 145,382,328.56, 218,075,392.33 and 48,338,036.15 is: 72,507,685.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,382,328.56 : 218,075,392.33 = 48,338,036.15 : x
  2. Step 2: Convert to fraction form
    145,382,328.56/218,075,392.33 = 48,338,036.15/x
  3. Step 3: Cross multiply
    145,382,328.56x = 218,075,392.33 × 48,338,036.15
  4. Step 4: Simplify right side
    145,382,328.56x = 10,541,336,198,283,786
  5. Step 5: Solve for x
    x = 10,541,336,198,283,786/145,382,328.56
  6. Step 6: Final answer
    x = 72,507,685.79

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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.