Home / 98,289,423.52-135,642,282.54-53,638,272.76

Finding the Fourth Proportional to 98,289,423.52, 135,642,282.54 and 53,638,272.76

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Solution

The fourth proportional to 98,289,423.52, 135,642,282.54 and 53,638,272.76 is: 74,022,387.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,289,423.52 : 135,642,282.54 = 53,638,272.76 : x
  2. Step 2: Convert to fraction form
    98,289,423.52/135,642,282.54 = 53,638,272.76/x
  3. Step 3: Cross multiply
    98,289,423.52x = 135,642,282.54 × 53,638,272.76
  4. Step 4: Simplify right side
    98,289,423.52x = 7,275,617,748,669,505
  5. Step 5: Solve for x
    x = 7,275,617,748,669,505/98,289,423.52
  6. Step 6: Final answer
    x = 74,022,387.03

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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.