Home / 55,565,523.18-76,679,427.75-30,785,213.01

Finding the Fourth Proportional to 55,565,523.18, 76,679,427.75 and 30,785,213.01

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Solution

The fourth proportional to 55,565,523.18, 76,679,427.75 and 30,785,213.01 is: 42,483,043.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,565,523.18 : 76,679,427.75 = 30,785,213.01 : x
  2. Step 2: Convert to fraction form
    55,565,523.18/76,679,427.75 = 30,785,213.01/x
  3. Step 3: Cross multiply
    55,565,523.18x = 76,679,427.75 × 30,785,213.01
  4. Step 4: Simplify right side
    55,565,523.18x = 2,360,592,516,768,655
  5. Step 5: Solve for x
    x = 2,360,592,516,768,655/55,565,523.18
  6. Step 6: Final answer
    x = 42,483,043.11

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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.