Home / 91,559,631.25-126,321,041.31-56,739,616.93

Finding the Fourth Proportional to 91,559,631.25, 126,321,041.31 and 56,739,616.93

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Solution

The fourth proportional to 91,559,631.25, 126,321,041.31 and 56,739,616.93 is: 78,281,305.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,559,631.25 : 126,321,041.31 = 56,739,616.93 : x
  2. Step 2: Convert to fraction form
    91,559,631.25/126,321,041.31 = 56,739,616.93/x
  3. Step 3: Cross multiply
    91,559,631.25x = 126,321,041.31 × 56,739,616.93
  4. Step 4: Simplify right side
    91,559,631.25x = 7,167,407,494,128,105
  5. Step 5: Solve for x
    x = 7,167,407,494,128,105/91,559,631.25
  6. Step 6: Final answer
    x = 78,281,305.81

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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.