Home / 147,166,281.60-220,749,422.40-70,449,820.80

Finding the Fourth Proportional to 147,166,281.60, 220,749,422.40 and 70,449,820.80

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Solution

The fourth proportional to 147,166,281.60, 220,749,422.40 and 70,449,820.80 is: 105,674,731.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,166,281.60 : 220,749,422.40 = 70,449,820.80 : x
  2. Step 2: Convert to fraction form
    147,166,281.60/220,749,422.40 = 70,449,820.80/x
  3. Step 3: Cross multiply
    147,166,281.60x = 220,749,422.40 × 70,449,820.80
  4. Step 4: Simplify right side
    147,166,281.60x = 15,551,757,249,783,506
  5. Step 5: Solve for x
    x = 15,551,757,249,783,506/147,166,281.60
  6. Step 6: Final answer
    x = 105,674,731.20

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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.