Home / 115,209,686.55-172,814,705.16-47,052,378.30

Finding the Fourth Proportional to 115,209,686.55, 172,814,705.16 and 47,052,378.30

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Solution

The fourth proportional to 115,209,686.55, 172,814,705.16 and 47,052,378.30 is: 70,578,639.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,209,686.55 : 172,814,705.16 = 47,052,378.30 : x
  2. Step 2: Convert to fraction form
    115,209,686.55/172,814,705.16 = 47,052,378.30/x
  3. Step 3: Cross multiply
    115,209,686.55x = 172,814,705.16 × 47,052,378.30
  4. Step 4: Simplify right side
    115,209,686.55x = 8,131,342,882,991,281
  5. Step 5: Solve for x
    x = 8,131,342,882,991,281/115,209,686.55
  6. Step 6: Final answer
    x = 70,578,639.06

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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.