Home / 109,038,205.80-163,637,024.85-72,634,497.30

Finding the Fourth Proportional to 109,038,205.80, 163,637,024.85 and 72,634,497.30

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Solution

The fourth proportional to 109,038,205.80, 163,637,024.85 and 72,634,497.30 is: 109,004,847.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,038,205.80 : 163,637,024.85 = 72,634,497.30 : x
  2. Step 2: Convert to fraction form
    109,038,205.80/163,637,024.85 = 72,634,497.30/x
  3. Step 3: Cross multiply
    109,038,205.80x = 163,637,024.85 × 72,634,497.30
  4. Step 4: Simplify right side
    109,038,205.80x = 11,885,693,039,647,356
  5. Step 5: Solve for x
    x = 11,885,693,039,647,356/109,038,205.80
  6. Step 6: Final answer
    x = 109,004,847.91

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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.