Home / 81,343,204.90-122,035,460.02-37,655,459.62

Finding the Fourth Proportional to 81,343,204.90, 122,035,460.02 and 37,655,459.62

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Solution

The fourth proportional to 81,343,204.90, 122,035,460.02 and 37,655,459.62 is: 56,492,749.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,343,204.90 : 122,035,460.02 = 37,655,459.62 : x
  2. Step 2: Convert to fraction form
    81,343,204.90/122,035,460.02 = 37,655,459.62/x
  3. Step 3: Cross multiply
    81,343,204.90x = 122,035,460.02 × 37,655,459.62
  4. Step 4: Simplify right side
    81,343,204.90x = 4,595,301,336,592,007
  5. Step 5: Solve for x
    x = 4,595,301,336,592,007/81,343,204.90
  6. Step 6: Final answer
    x = 56,492,749.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.