Home / 208,310,559.60-312,247,108.72-70,088,182.80

Finding the Fourth Proportional to 208,310,559.60, 312,247,108.72 and 70,088,182.80

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Solution

The fourth proportional to 208,310,559.60, 312,247,108.72 and 70,088,182.80 is: 105,058,680.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,310,559.60 : 312,247,108.72 = 70,088,182.80 : x
  2. Step 2: Convert to fraction form
    208,310,559.60/312,247,108.72 = 70,088,182.80/x
  3. Step 3: Cross multiply
    208,310,559.60x = 312,247,108.72 × 70,088,182.80
  4. Step 4: Simplify right side
    208,310,559.60x = 21,884,832,434,738,836
  5. Step 5: Solve for x
    x = 21,884,832,434,738,836/208,310,559.60
  6. Step 6: Final answer
    x = 105,058,680.06

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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.