Home / 100,316,734,260.20-138,437,115,875.85-55,206,461,072.26

Finding the Fourth Proportional to 100,316,734,260.20, 138,437,115,875.85 and 55,206,461,072.26

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Solution

The fourth proportional to 100,316,734,260.20, 138,437,115,875.85 and 55,206,461,072.26 is: 76,184,928,715.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,316,734,260.20 : 138,437,115,875.85 = 55,206,461,072.26 : x
  2. Step 2: Convert to fraction form
    100,316,734,260.20/138,437,115,875.85 = 55,206,461,072.26/x
  3. Step 3: Cross multiply
    100,316,734,260.20x = 138,437,115,875.85 × 55,206,461,072.26
  4. Step 4: Simplify right side
    100,316,734,260.20x = 7,642,623,248,555,367,727,104
  5. Step 5: Solve for x
    x = 7,642,623,248,555,367,727,104/100,316,734,260.20
  6. Step 6: Final answer
    x = 76,184,928,715.20

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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.