Home / 208,310,525.47-312,247,057.83-70,088,148.78

Finding the Fourth Proportional to 208,310,525.47, 312,247,057.83 and 70,088,148.78

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Solution

The fourth proportional to 208,310,525.47, 312,247,057.83 and 70,088,148.78 is: 105,058,629.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,310,525.47 : 312,247,057.83 = 70,088,148.78 : x
  2. Step 2: Convert to fraction form
    208,310,525.47/312,247,057.83 = 70,088,148.78/x
  3. Step 3: Cross multiply
    208,310,525.47x = 312,247,057.83 × 70,088,148.78
  4. Step 4: Simplify right side
    208,310,525.47x = 21,884,818,243,745,068
  5. Step 5: Solve for x
    x = 21,884,818,243,745,068/208,310,525.47
  6. Step 6: Final answer
    x = 105,058,629.15

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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.