Home / 82,432,569.42-123,649,280.64-48,330,000.45

Finding the Fourth Proportional to 82,432,569.42, 123,649,280.64 and 48,330,000.45

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Solution

The fourth proportional to 82,432,569.42, 123,649,280.64 and 48,330,000.45 is: 72,495,250.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,432,569.42 : 123,649,280.64 = 48,330,000.45 : x
  2. Step 2: Convert to fraction form
    82,432,569.42/123,649,280.64 = 48,330,000.45/x
  3. Step 3: Cross multiply
    82,432,569.42x = 123,649,280.64 × 48,330,000.45
  4. Step 4: Simplify right side
    82,432,569.42x = 5,975,969,788,973,377
  5. Step 5: Solve for x
    x = 5,975,969,788,973,377/82,432,569.42
  6. Step 6: Final answer
    x = 72,495,250.74

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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.