Home / 100,210,005.40-150,329,004.90-42,701,819.80

Finding the Fourth Proportional to 100,210,005.40, 150,329,004.90 and 42,701,819.80

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Solution

The fourth proportional to 100,210,005.40, 150,329,004.90 and 42,701,819.80 is: 64,058,694.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,210,005.40 : 150,329,004.90 = 42,701,819.80 : x
  2. Step 2: Convert to fraction form
    100,210,005.40/150,329,004.90 = 42,701,819.80/x
  3. Step 3: Cross multiply
    100,210,005.40x = 150,329,004.90 × 42,701,819.80
  4. Step 4: Simplify right side
    100,210,005.40x = 6,419,322,077,953,117
  5. Step 5: Solve for x
    x = 6,419,322,077,953,117/100,210,005.40
  6. Step 6: Final answer
    x = 64,058,694.06

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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.