Home / 80,712,772,712.96-111,387,010,201.47-46,418,506,047.09

Finding the Fourth Proportional to 80,712,772,712.96, 111,387,010,201.47 and 46,418,506,047.09

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Solution

The fourth proportional to 80,712,772,712.96, 111,387,010,201.47 and 46,418,506,047.09 is: 64,059,484,426.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,712,772,712.96 : 111,387,010,201.47 = 46,418,506,047.09 : x
  2. Step 2: Convert to fraction form
    80,712,772,712.96/111,387,010,201.47 = 46,418,506,047.09/x
  3. Step 3: Cross multiply
    80,712,772,712.96x = 111,387,010,201.47 × 46,418,506,047.09
  4. Step 4: Simplify right side
    80,712,772,712.96x = 5,170,418,606,604,210,405,376
  5. Step 5: Solve for x
    x = 5,170,418,606,604,210,405,376/80,712,772,712.96
  6. Step 6: Final answer
    x = 64,059,484,426.24

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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.