Home / 256,984,697.08-385,477,035.90-75,231,875.08

Finding the Fourth Proportional to 256,984,697.08, 385,477,035.90 and 75,231,875.08

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Solution

The fourth proportional to 256,984,697.08, 385,477,035.90 and 75,231,875.08 is: 112,847,809.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,984,697.08 : 385,477,035.90 = 75,231,875.08 : x
  2. Step 2: Convert to fraction form
    256,984,697.08/385,477,035.90 = 75,231,875.08/x
  3. Step 3: Cross multiply
    256,984,697.08x = 385,477,035.90 × 75,231,875.08
  4. Step 4: Simplify right side
    256,984,697.08x = 29,000,160,211,037,472
  5. Step 5: Solve for x
    x = 29,000,160,211,037,472/256,984,697.08
  6. Step 6: Final answer
    x = 112,847,809.77

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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.