Home / 166,478,333.48-249,219,970.14-100,700,406.76

Finding the Fourth Proportional to 166,478,333.48, 249,219,970.14 and 100,700,406.76

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Solution

The fourth proportional to 166,478,333.48, 249,219,970.14 and 100,700,406.76 is: 150,749,661.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,478,333.48 : 249,219,970.14 = 100,700,406.76 : x
  2. Step 2: Convert to fraction form
    166,478,333.48/249,219,970.14 = 100,700,406.76/x
  3. Step 3: Cross multiply
    166,478,333.48x = 249,219,970.14 × 100,700,406.76
  4. Step 4: Simplify right side
    166,478,333.48x = 25,096,552,365,813,056
  5. Step 5: Solve for x
    x = 25,096,552,365,813,056/166,478,333.48
  6. Step 6: Final answer
    x = 150,749,661.18

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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.