Home / 251,492,113.04-347,059,132.69-139,980,560.76

Finding the Fourth Proportional to 251,492,113.04, 347,059,132.69 and 139,980,560.76

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Solution

The fourth proportional to 251,492,113.04, 347,059,132.69 and 139,980,560.76 is: 193,173,183.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,492,113.04 : 347,059,132.69 = 139,980,560.76 : x
  2. Step 2: Convert to fraction form
    251,492,113.04/347,059,132.69 = 139,980,560.76/x
  3. Step 3: Cross multiply
    251,492,113.04x = 347,059,132.69 × 139,980,560.76
  4. Step 4: Simplify right side
    251,492,113.04x = 48,581,532,010,825,440
  5. Step 5: Solve for x
    x = 48,581,532,010,825,440/251,492,113.04
  6. Step 6: Final answer
    x = 193,173,183.14

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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.