Home / 100,719,184,060.72-138,994,408,647.84-54,995,272,389.76

Finding the Fourth Proportional to 100,719,184,060.72, 138,994,408,647.84 and 54,995,272,389.76

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Solution

The fourth proportional to 100,719,184,060.72, 138,994,408,647.84 and 54,995,272,389.76 is: 75,894,532,263.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,719,184,060.72 : 138,994,408,647.84 = 54,995,272,389.76 : x
  2. Step 2: Convert to fraction form
    100,719,184,060.72/138,994,408,647.84 = 54,995,272,389.76/x
  3. Step 3: Cross multiply
    100,719,184,060.72x = 138,994,408,647.84 × 54,995,272,389.76
  4. Step 4: Simplify right side
    100,719,184,060.72x = 7,644,035,364,241,573,675,008
  5. Step 5: Solve for x
    x = 7,644,035,364,241,573,675,008/100,719,184,060.72
  6. Step 6: Final answer
    x = 75,894,532,263.42

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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.