Home / 159,418,808.60-239,128,212.90-51,713,432.60

Finding the Fourth Proportional to 159,418,808.60, 239,128,212.90 and 51,713,432.60

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Solution

The fourth proportional to 159,418,808.60, 239,128,212.90 and 51,713,432.60 is: 77,570,148.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,418,808.60 : 239,128,212.90 = 51,713,432.60 : x
  2. Step 2: Convert to fraction form
    159,418,808.60/239,128,212.90 = 51,713,432.60/x
  3. Step 3: Cross multiply
    159,418,808.60x = 239,128,212.90 × 51,713,432.60
  4. Step 4: Simplify right side
    159,418,808.60x = 12,366,140,720,562,602
  5. Step 5: Solve for x
    x = 12,366,140,720,562,602/159,418,808.60
  6. Step 6: Final answer
    x = 77,570,148.90

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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.