Home / 87,006,906.40-130,510,359.60-52,994,682.40

Finding the Fourth Proportional to 87,006,906.40, 130,510,359.60 and 52,994,682.40

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Solution

The fourth proportional to 87,006,906.40, 130,510,359.60 and 52,994,682.40 is: 79,492,023.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,006,906.40 : 130,510,359.60 = 52,994,682.40 : x
  2. Step 2: Convert to fraction form
    87,006,906.40/130,510,359.60 = 52,994,682.40/x
  3. Step 3: Cross multiply
    87,006,906.40x = 130,510,359.60 × 52,994,682.40
  4. Step 4: Simplify right side
    87,006,906.40x = 6,916,355,056,911,791
  5. Step 5: Solve for x
    x = 6,916,355,056,911,791/87,006,906.40
  6. Step 6: Final answer
    x = 79,492,023.60

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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.