Home / 454,586,101.20-681,879,151.80-163,462,721.40

Finding the Fourth Proportional to 454,586,101.20, 681,879,151.80 and 163,462,721.40

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Solution

The fourth proportional to 454,586,101.20, 681,879,151.80 and 163,462,721.40 is: 245,194,082.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,586,101.20 : 681,879,151.80 = 163,462,721.40 : x
  2. Step 2: Convert to fraction form
    454,586,101.20/681,879,151.80 = 163,462,721.40/x
  3. Step 3: Cross multiply
    454,586,101.20x = 681,879,151.80 × 163,462,721.40
  4. Step 4: Simplify right side
    454,586,101.20x = 111,461,821,819,151,712
  5. Step 5: Solve for x
    x = 111,461,821,819,151,712/454,586,101.20
  6. Step 6: Final answer
    x = 245,194,082.10

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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.