Home / 64,866,386,020.86-97,264,108,914.82-51,506,489,819.75

Finding the Fourth Proportional to 64,866,386,020.86, 97,264,108,914.82 and 51,506,489,819.75

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Solution

The fourth proportional to 64,866,386,020.86, 97,264,108,914.82 and 51,506,489,819.75 is: 77,231,570,046.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,866,386,020.86 : 97,264,108,914.82 = 51,506,489,819.75 : x
  2. Step 2: Convert to fraction form
    64,866,386,020.86/97,264,108,914.82 = 51,506,489,819.75/x
  3. Step 3: Cross multiply
    64,866,386,020.86x = 97,264,108,914.82 × 51,506,489,819.75
  4. Step 4: Simplify right side
    64,866,386,020.86x = 5,009,732,835,647,745,425,408
  5. Step 5: Solve for x
    x = 5,009,732,835,647,745,425,408/64,866,386,020.86
  6. Step 6: Final answer
    x = 77,231,570,046.72

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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.