Home / 131,130,577.68-180,983,884.26-78,210,677.56

Finding the Fourth Proportional to 131,130,577.68, 180,983,884.26 and 78,210,677.56

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Solution

The fourth proportional to 131,130,577.68, 180,983,884.26 and 78,210,677.56 is: 107,944,862.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,130,577.68 : 180,983,884.26 = 78,210,677.56 : x
  2. Step 2: Convert to fraction form
    131,130,577.68/180,983,884.26 = 78,210,677.56/x
  3. Step 3: Cross multiply
    131,130,577.68x = 180,983,884.26 × 78,210,677.56
  4. Step 4: Simplify right side
    131,130,577.68x = 14,154,872,215,415,218
  5. Step 5: Solve for x
    x = 14,154,872,215,415,218/131,130,577.68
  6. Step 6: Final answer
    x = 107,944,862.79

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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.