Home / 185,813,138.02-278,701,696.47-56,421,885.55

Finding the Fourth Proportional to 185,813,138.02, 278,701,696.47 and 56,421,885.55

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Solution

The fourth proportional to 185,813,138.02, 278,701,696.47 and 56,421,885.55 is: 84,627,359.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,813,138.02 : 278,701,696.47 = 56,421,885.55 : x
  2. Step 2: Convert to fraction form
    185,813,138.02/278,701,696.47 = 56,421,885.55/x
  3. Step 3: Cross multiply
    185,813,138.02x = 278,701,696.47 × 56,421,885.55
  4. Step 4: Simplify right side
    185,813,138.02x = 15,724,875,220,821,180
  5. Step 5: Solve for x
    x = 15,724,875,220,821,180/185,813,138.02
  6. Step 6: Final answer
    x = 84,627,359.44

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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.