Home / 85,710,352.89-128,599,595.50-27,427,011.06

Finding the Fourth Proportional to 85,710,352.89, 128,599,595.50 and 27,427,011.06

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Solution

The fourth proportional to 85,710,352.89, 128,599,595.50 and 27,427,011.06 is: 41,151,417.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,710,352.89 : 128,599,595.50 = 27,427,011.06 : x
  2. Step 2: Convert to fraction form
    85,710,352.89/128,599,595.50 = 27,427,011.06/x
  3. Step 3: Cross multiply
    85,710,352.89x = 128,599,595.50 × 27,427,011.06
  4. Step 4: Simplify right side
    85,710,352.89x = 3,527,102,527,378,461
  5. Step 5: Solve for x
    x = 3,527,102,527,378,461/85,710,352.89
  6. Step 6: Final answer
    x = 41,151,417.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.