Home / 145,382,328.75-218,075,392.61-48,338,036.34

Finding the Fourth Proportional to 145,382,328.75, 218,075,392.61 and 48,338,036.34

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Solution

The fourth proportional to 145,382,328.75, 218,075,392.61 and 48,338,036.34 is: 72,507,686.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,382,328.75 : 218,075,392.61 = 48,338,036.34 : x
  2. Step 2: Convert to fraction form
    145,382,328.75/218,075,392.61 = 48,338,036.34/x
  3. Step 3: Cross multiply
    145,382,328.75x = 218,075,392.61 × 48,338,036.34
  4. Step 4: Simplify right side
    145,382,328.75x = 10,541,336,252,871,918
  5. Step 5: Solve for x
    x = 10,541,336,252,871,918/145,382,328.75
  6. Step 6: Final answer
    x = 72,507,686.07

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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.