Home / 75,330,688.88-112,997,083.08-21,478,000.88

Finding the Fourth Proportional to 75,330,688.88, 112,997,083.08 and 21,478,000.88

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Solution

The fourth proportional to 75,330,688.88, 112,997,083.08 and 21,478,000.88 is: 32,217,300.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,330,688.88 : 112,997,083.08 = 21,478,000.88 : x
  2. Step 2: Convert to fraction form
    75,330,688.88/112,997,083.08 = 21,478,000.88/x
  3. Step 3: Cross multiply
    75,330,688.88x = 112,997,083.08 × 21,478,000.88
  4. Step 4: Simplify right side
    75,330,688.88x = 2,426,951,449,829,673
  5. Step 5: Solve for x
    x = 2,426,951,449,829,673/75,330,688.88
  6. Step 6: Final answer
    x = 32,217,300.62

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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.