Home / 100,580,796,876.18-138,801,637,342.53-54,855,182,834.58

Finding the Fourth Proportional to 100,580,796,876.18, 138,801,637,342.53 and 54,855,182,834.58

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Solution

The fourth proportional to 100,580,796,876.18, 138,801,637,342.53 and 54,855,182,834.58 is: 75,700,227,385.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,580,796,876.18 : 138,801,637,342.53 = 54,855,182,834.58 : x
  2. Step 2: Convert to fraction form
    100,580,796,876.18/138,801,637,342.53 = 54,855,182,834.58/x
  3. Step 3: Cross multiply
    100,580,796,876.18x = 138,801,637,342.53 × 54,855,182,834.58
  4. Step 4: Simplify right side
    100,580,796,876.18x = 7,613,989,194,163,550,158,848
  5. Step 5: Solve for x
    x = 7,613,989,194,163,550,158,848/100,580,796,876.18
  6. Step 6: Final answer
    x = 75,700,227,385.72

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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.