Home / 256,243,563.40-384,365,345.10-118,068,903.40

Finding the Fourth Proportional to 256,243,563.40, 384,365,345.10 and 118,068,903.40

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Solution

The fourth proportional to 256,243,563.40, 384,365,345.10 and 118,068,903.40 is: 177,103,355.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,243,563.40 : 384,365,345.10 = 118,068,903.40 : x
  2. Step 2: Convert to fraction form
    256,243,563.40/384,365,345.10 = 118,068,903.40/x
  3. Step 3: Cross multiply
    256,243,563.40x = 384,365,345.10 × 118,068,903.40
  4. Step 4: Simplify right side
    256,243,563.40x = 45,381,594,800,919,568
  5. Step 5: Solve for x
    x = 45,381,594,800,919,568/256,243,563.40
  6. Step 6: Final answer
    x = 177,103,355.10

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1.5x scale

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.