Home / 153,681,594.37-230,153,016.30-87,903,315.79

Finding the Fourth Proportional to 153,681,594.37, 230,153,016.30 and 87,903,315.79

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Solution

The fourth proportional to 153,681,594.37, 230,153,016.30 and 87,903,315.79 is: 131,643,697.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,681,594.37 : 230,153,016.30 = 87,903,315.79 : x
  2. Step 2: Convert to fraction form
    153,681,594.37/230,153,016.30 = 87,903,315.79/x
  3. Step 3: Cross multiply
    153,681,594.37x = 230,153,016.30 × 87,903,315.79
  4. Step 4: Simplify right side
    153,681,594.37x = 20,231,213,271,839,920
  5. Step 5: Solve for x
    x = 20,231,213,271,839,920/153,681,594.37
  6. Step 6: Final answer
    x = 131,643,697.18

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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.