Home / 268,101,145.20-402,151,717.80-176,268,140.40

Finding the Fourth Proportional to 268,101,145.20, 402,151,717.80 and 176,268,140.40

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Solution

The fourth proportional to 268,101,145.20, 402,151,717.80 and 176,268,140.40 is: 264,402,210.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,101,145.20 : 402,151,717.80 = 176,268,140.40 : x
  2. Step 2: Convert to fraction form
    268,101,145.20/402,151,717.80 = 176,268,140.40/x
  3. Step 3: Cross multiply
    268,101,145.20x = 402,151,717.80 × 176,268,140.40
  4. Step 4: Simplify right side
    268,101,145.20x = 70,886,535,455,271,584
  5. Step 5: Solve for x
    x = 70,886,535,455,271,584/268,101,145.20
  6. Step 6: Final answer
    x = 264,402,210.60

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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.