Home / 91,037,281.21-125,641,184.01-55,778,485.53

Finding the Fourth Proportional to 91,037,281.21, 125,641,184.01 and 55,778,485.53

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Solution

The fourth proportional to 91,037,281.21, 125,641,184.01 and 55,778,485.53 is: 76,980,275.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,037,281.21 : 125,641,184.01 = 55,778,485.53 : x
  2. Step 2: Convert to fraction form
    91,037,281.21/125,641,184.01 = 55,778,485.53/x
  3. Step 3: Cross multiply
    91,037,281.21x = 125,641,184.01 × 55,778,485.53
  4. Step 4: Simplify right side
    91,037,281.21x = 7,008,074,964,273,853
  5. Step 5: Solve for x
    x = 7,008,074,964,273,853/91,037,281.21
  6. Step 6: Final answer
    x = 76,980,275.24

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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.