Home / 105,462,692,963.04-145,488,231,422.64-76,855,010,423.52

Finding the Fourth Proportional to 105,462,692,963.04, 145,488,231,422.64 and 76,855,010,423.52

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Solution

The fourth proportional to 105,462,692,963.04, 145,488,231,422.64 and 76,855,010,423.52 is: 106,023,269,730.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,462,692,963.04 : 145,488,231,422.64 = 76,855,010,423.52 : x
  2. Step 2: Convert to fraction form
    105,462,692,963.04/145,488,231,422.64 = 76,855,010,423.52/x
  3. Step 3: Cross multiply
    105,462,692,963.04x = 145,488,231,422.64 × 76,855,010,423.52
  4. Step 4: Simplify right side
    105,462,692,963.04x = 11,181,499,542,486,489,497,600
  5. Step 5: Solve for x
    x = 11,181,499,542,486,489,497,600/105,462,692,963.04
  6. Step 6: Final answer
    x = 106,023,269,730.13

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1.5x scale

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.