Home / 147,687,011.52-203,803,786.08-81,606,459.84

Finding the Fourth Proportional to 147,687,011.52, 203,803,786.08 and 81,606,459.84

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Solution

The fourth proportional to 147,687,011.52, 203,803,786.08 and 81,606,459.84 is: 112,614,544.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,687,011.52 : 203,803,786.08 = 81,606,459.84 : x
  2. Step 2: Convert to fraction form
    147,687,011.52/203,803,786.08 = 81,606,459.84/x
  3. Step 3: Cross multiply
    147,687,011.52x = 203,803,786.08 × 81,606,459.84
  4. Step 4: Simplify right side
    147,687,011.52x = 16,631,705,483,977,472
  5. Step 5: Solve for x
    x = 16,631,705,483,977,472/147,687,011.52
  6. Step 6: Final answer
    x = 112,614,544.18

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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.