Home / 118,692,003.70-178,038,005.55-72,775,501.30

Finding the Fourth Proportional to 118,692,003.70, 178,038,005.55 and 72,775,501.30

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Solution

The fourth proportional to 118,692,003.70, 178,038,005.55 and 72,775,501.30 is: 109,163,251.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,692,003.70 : 178,038,005.55 = 72,775,501.30 : x
  2. Step 2: Convert to fraction form
    118,692,003.70/178,038,005.55 = 72,775,501.30/x
  3. Step 3: Cross multiply
    118,692,003.70x = 178,038,005.55 × 72,775,501.30
  4. Step 4: Simplify right side
    118,692,003.70x = 12,956,805,104,353,432
  5. Step 5: Solve for x
    x = 12,956,805,104,353,432/118,692,003.70
  6. Step 6: Final answer
    x = 109,163,251.95

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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.