Home / 256,243,565.40-384,365,348.10-118,068,905.40

Finding the Fourth Proportional to 256,243,565.40, 384,365,348.10 and 118,068,905.40

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Solution

The fourth proportional to 256,243,565.40, 384,365,348.10 and 118,068,905.40 is: 177,103,358.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,243,565.40 : 384,365,348.10 = 118,068,905.40 : x
  2. Step 2: Convert to fraction form
    256,243,565.40/384,365,348.10 = 118,068,905.40/x
  3. Step 3: Cross multiply
    256,243,565.40x = 384,365,348.10 × 118,068,905.40
  4. Step 4: Simplify right side
    256,243,565.40x = 45,381,595,923,856,976
  5. Step 5: Solve for x
    x = 45,381,595,923,856,976/256,243,565.40
  6. Step 6: Final answer
    x = 177,103,358.10

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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.