Home / 141,495,612.48-212,286,734.28-72,457,297.74

Finding the Fourth Proportional to 141,495,612.48, 212,286,734.28 and 72,457,297.74

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Solution

The fourth proportional to 141,495,612.48, 212,286,734.28 and 72,457,297.74 is: 108,708,127.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,495,612.48 : 212,286,734.28 = 72,457,297.74 : x
  2. Step 2: Convert to fraction form
    141,495,612.48/212,286,734.28 = 72,457,297.74/x
  3. Step 3: Cross multiply
    141,495,612.48x = 212,286,734.28 × 72,457,297.74
  4. Step 4: Simplify right side
    141,495,612.48x = 15,381,723,111,978,224
  5. Step 5: Solve for x
    x = 15,381,723,111,978,224/141,495,612.48
  6. Step 6: Final answer
    x = 108,708,127.71

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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.