Home / 72,632,281,338.72-108,944,547,791.04-19,572,462,574.20

Finding the Fourth Proportional to 72,632,281,338.72, 108,944,547,791.04 and 19,572,462,574.20

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Solution

The fourth proportional to 72,632,281,338.72, 108,944,547,791.04 and 19,572,462,574.20 is: 29,357,649,863.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,632,281,338.72 : 108,944,547,791.04 = 19,572,462,574.20 : x
  2. Step 2: Convert to fraction form
    72,632,281,338.72/108,944,547,791.04 = 19,572,462,574.20/x
  3. Step 3: Cross multiply
    72,632,281,338.72x = 108,944,547,791.04 × 19,572,462,574.20
  4. Step 4: Simplify right side
    72,632,281,338.72x = 2,132,313,084,303,273,623,552
  5. Step 5: Solve for x
    x = 2,132,313,084,303,273,623,552/72,632,281,338.72
  6. Step 6: Final answer
    x = 29,357,649,863.14

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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.