Home / 77,952,133.80-116,928,200.70-73,771,756.20

Finding the Fourth Proportional to 77,952,133.80, 116,928,200.70 and 73,771,756.20

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Solution

The fourth proportional to 77,952,133.80, 116,928,200.70 and 73,771,756.20 is: 110,657,634.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,952,133.80 : 116,928,200.70 = 73,771,756.20 : x
  2. Step 2: Convert to fraction form
    77,952,133.80/116,928,200.70 = 73,771,756.20/x
  3. Step 3: Cross multiply
    77,952,133.80x = 116,928,200.70 × 73,771,756.20
  4. Step 4: Simplify right side
    77,952,133.80x = 8,625,998,714,945,070
  5. Step 5: Solve for x
    x = 8,625,998,714,945,070/77,952,133.80
  6. Step 6: Final answer
    x = 110,657,634.30

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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.