Home / 70,118,789.86-96,763,725.66-39,178,983.34

Finding the Fourth Proportional to 70,118,789.86, 96,763,725.66 and 39,178,983.34

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Solution

The fourth proportional to 70,118,789.86, 96,763,725.66 and 39,178,983.34 is: 54,066,882.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,118,789.86 : 96,763,725.66 = 39,178,983.34 : x
  2. Step 2: Convert to fraction form
    70,118,789.86/96,763,725.66 = 39,178,983.34/x
  3. Step 3: Cross multiply
    70,118,789.86x = 96,763,725.66 × 39,178,983.34
  4. Step 4: Simplify right side
    70,118,789.86x = 3,791,104,395,549,470.50
  5. Step 5: Solve for x
    x = 3,791,104,395,549,470.50/70,118,789.86
  6. Step 6: Final answer
    x = 54,066,882.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.