Home / 251,492,117.18-347,059,138.40-139,980,564.90

Finding the Fourth Proportional to 251,492,117.18, 347,059,138.40 and 139,980,564.90

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Solution

The fourth proportional to 251,492,117.18, 347,059,138.40 and 139,980,564.90 is: 193,173,188.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,492,117.18 : 347,059,138.40 = 139,980,564.90 : x
  2. Step 2: Convert to fraction form
    251,492,117.18/347,059,138.40 = 139,980,564.90/x
  3. Step 3: Cross multiply
    251,492,117.18x = 347,059,138.40 × 139,980,564.90
  4. Step 4: Simplify right side
    251,492,117.18x = 48,581,534,246,939,280
  5. Step 5: Solve for x
    x = 48,581,534,246,939,280/251,492,117.18
  6. Step 6: Final answer
    x = 193,173,188.85

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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.