Home / 60,426,808.60-90,667,001.22-31,666,106.20

Finding the Fourth Proportional to 60,426,808.60, 90,667,001.22 and 31,666,106.20

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Solution

The fourth proportional to 60,426,808.60, 90,667,001.22 and 31,666,106.20 is: 47,513,197.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,426,808.60 : 90,667,001.22 = 31,666,106.20 : x
  2. Step 2: Convert to fraction form
    60,426,808.60/90,667,001.22 = 31,666,106.20/x
  3. Step 3: Cross multiply
    60,426,808.60x = 90,667,001.22 × 31,666,106.20
  4. Step 4: Simplify right side
    60,426,808.60x = 2,871,070,889,468,049.50
  5. Step 5: Solve for x
    x = 2,871,070,889,468,049.50/60,426,808.60
  6. Step 6: Final answer
    x = 47,513,197.47

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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.