Home / 134,007,729.80-201,011,594.70-120,402,840.20

Finding the Fourth Proportional to 134,007,729.80, 201,011,594.70 and 120,402,840.20

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Solution

The fourth proportional to 134,007,729.80, 201,011,594.70 and 120,402,840.20 is: 180,604,260.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,007,729.80 : 201,011,594.70 = 120,402,840.20 : x
  2. Step 2: Convert to fraction form
    134,007,729.80/201,011,594.70 = 120,402,840.20/x
  3. Step 3: Cross multiply
    134,007,729.80x = 201,011,594.70 × 120,402,840.20
  4. Step 4: Simplify right side
    134,007,729.80x = 24,202,366,915,011,268
  5. Step 5: Solve for x
    x = 24,202,366,915,011,268/134,007,729.80
  6. Step 6: Final answer
    x = 180,604,260.30

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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.