Home / 251,688,221.19-347,340,573.02-140,179,111.11

Finding the Fourth Proportional to 251,688,221.19, 347,340,573.02 and 140,179,111.11

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Solution

The fourth proportional to 251,688,221.19, 347,340,573.02 and 140,179,111.11 is: 193,453,203.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,688,221.19 : 347,340,573.02 = 140,179,111.11 : x
  2. Step 2: Convert to fraction form
    251,688,221.19/347,340,573.02 = 140,179,111.11/x
  3. Step 3: Cross multiply
    251,688,221.19x = 347,340,573.02 × 140,179,111.11
  4. Step 4: Simplify right side
    251,688,221.19x = 48,689,892,778,732,096
  5. Step 5: Solve for x
    x = 48,689,892,778,732,096/251,688,221.19
  6. Step 6: Final answer
    x = 193,453,203.92

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1.5x scale

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.