Home / 138,801,335,207.11-191,573,312,600.79-90,032,594,357.56

Finding the Fourth Proportional to 138,801,335,207.11, 191,573,312,600.79 and 90,032,594,357.56

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Solution

The fourth proportional to 138,801,335,207.11, 191,573,312,600.79 and 90,032,594,357.56 is: 124,262,798,462.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,801,335,207.11 : 191,573,312,600.79 = 90,032,594,357.56 : x
  2. Step 2: Convert to fraction form
    138,801,335,207.11/191,573,312,600.79 = 90,032,594,357.56/x
  3. Step 3: Cross multiply
    138,801,335,207.11x = 191,573,312,600.79 × 90,032,594,357.56
  4. Step 4: Simplify right side
    138,801,335,207.11x = 17,247,842,343,120,963,371,008
  5. Step 5: Solve for x
    x = 17,247,842,343,120,963,371,008/138,801,335,207.11
  6. Step 6: Final answer
    x = 124,262,798,462.17

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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.