Home / 91,291,774.56-125,995,568.08-56,495,674.68

Finding the Fourth Proportional to 91,291,774.56, 125,995,568.08 and 56,495,674.68

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Solution

The fourth proportional to 91,291,774.56, 125,995,568.08 and 56,495,674.68 is: 77,972,026.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,291,774.56 : 125,995,568.08 = 56,495,674.68 : x
  2. Step 2: Convert to fraction form
    91,291,774.56/125,995,568.08 = 56,495,674.68/x
  3. Step 3: Cross multiply
    91,291,774.56x = 125,995,568.08 × 56,495,674.68
  4. Step 4: Simplify right side
    91,291,774.56x = 7,118,204,625,369,472
  5. Step 5: Solve for x
    x = 7,118,204,625,369,472/91,291,774.56
  6. Step 6: Final answer
    x = 77,972,026.06

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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.