Home / 91,637,673.80-126,462,619.98-55,876,210.64

Finding the Fourth Proportional to 91,637,673.80, 126,462,619.98 and 55,876,210.64

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Solution

The fourth proportional to 91,637,673.80, 126,462,619.98 and 55,876,210.64 is: 77,110,774.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,637,673.80 : 126,462,619.98 = 55,876,210.64 : x
  2. Step 2: Convert to fraction form
    91,637,673.80/126,462,619.98 = 55,876,210.64/x
  3. Step 3: Cross multiply
    91,637,673.80x = 126,462,619.98 × 55,876,210.64
  4. Step 4: Simplify right side
    91,637,673.80x = 7,066,251,992,088,753
  5. Step 5: Solve for x
    x = 7,066,251,992,088,753/91,637,673.80
  6. Step 6: Final answer
    x = 77,110,774.41

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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.