Home / 251,492,118.68-347,059,140.46-139,980,566.40

Finding the Fourth Proportional to 251,492,118.68, 347,059,140.46 and 139,980,566.40

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Solution

The fourth proportional to 251,492,118.68, 347,059,140.46 and 139,980,566.40 is: 193,173,190.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,492,118.68 : 347,059,140.46 = 139,980,566.40 : x
  2. Step 2: Convert to fraction form
    251,492,118.68/347,059,140.46 = 139,980,566.40/x
  3. Step 3: Cross multiply
    251,492,118.68x = 347,059,140.46 × 139,980,566.40
  4. Step 4: Simplify right side
    251,492,118.68x = 48,581,535,055,887,952
  5. Step 5: Solve for x
    x = 48,581,535,055,887,952/251,492,118.68
  6. Step 6: Final answer
    x = 193,173,190.92

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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.