Home / 147,652,014.30-221,478,021.45-70,956,548.70

Finding the Fourth Proportional to 147,652,014.30, 221,478,021.45 and 70,956,548.70

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Solution

The fourth proportional to 147,652,014.30, 221,478,021.45 and 70,956,548.70 is: 106,434,823.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,652,014.30 : 221,478,021.45 = 70,956,548.70 : x
  2. Step 2: Convert to fraction form
    147,652,014.30/221,478,021.45 = 70,956,548.70/x
  3. Step 3: Cross multiply
    147,652,014.30x = 221,478,021.45 × 70,956,548.70
  4. Step 4: Simplify right side
    147,652,014.30x = 15,715,316,014,996,570
  5. Step 5: Solve for x
    x = 15,715,316,014,996,570/147,652,014.30
  6. Step 6: Final answer
    x = 106,434,823.05

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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.