Home / 91,509,619,069.20-126,280,053,426.92-50,309,698,875.96

Finding the Fourth Proportional to 91,509,619,069.20, 126,280,053,426.92 and 50,309,698,875.96

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Solution

The fourth proportional to 91,509,619,069.20, 126,280,053,426.92 and 50,309,698,875.96 is: 69,425,613,684.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,509,619,069.20 : 126,280,053,426.92 = 50,309,698,875.96 : x
  2. Step 2: Convert to fraction form
    91,509,619,069.20/126,280,053,426.92 = 50,309,698,875.96/x
  3. Step 3: Cross multiply
    91,509,619,069.20x = 126,280,053,426.92 × 50,309,698,875.96
  4. Step 4: Simplify right side
    91,509,619,069.20x = 6,353,111,461,948,486,057,984
  5. Step 5: Solve for x
    x = 6,353,111,461,948,486,057,984/91,509,619,069.20
  6. Step 6: Final answer
    x = 69,425,613,684.88

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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.