Home / 91,868,936.36-126,779,074.40-50,615,828.32

Finding the Fourth Proportional to 91,868,936.36, 126,779,074.40 and 50,615,828.32

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Solution

The fourth proportional to 91,868,936.36, 126,779,074.40 and 50,615,828.32 is: 69,849,811.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,868,936.36 : 126,779,074.40 = 50,615,828.32 : x
  2. Step 2: Convert to fraction form
    91,868,936.36/126,779,074.40 = 50,615,828.32/x
  3. Step 3: Cross multiply
    91,868,936.36x = 126,779,074.40 × 50,615,828.32
  4. Step 4: Simplify right side
    91,868,936.36x = 6,417,027,864,398,907
  5. Step 5: Solve for x
    x = 6,417,027,864,398,907/91,868,936.36
  6. Step 6: Final answer
    x = 69,849,811.25

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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.