Home / 113,340,905.40-170,011,358.10-90,666,089.40

Finding the Fourth Proportional to 113,340,905.40, 170,011,358.10 and 90,666,089.40

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Solution

The fourth proportional to 113,340,905.40, 170,011,358.10 and 90,666,089.40 is: 135,999,134.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,340,905.40 : 170,011,358.10 = 90,666,089.40 : x
  2. Step 2: Convert to fraction form
    113,340,905.40/170,011,358.10 = 90,666,089.40/x
  3. Step 3: Cross multiply
    113,340,905.40x = 170,011,358.10 × 90,666,089.40
  4. Step 4: Simplify right side
    113,340,905.40x = 15,414,264,992,510,014
  5. Step 5: Solve for x
    x = 15,414,264,992,510,014/113,340,905.40
  6. Step 6: Final answer
    x = 135,999,134.10

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1.5x scale

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.