Home / 172,523,010,307.64-258,812,323,185.90-53,140,279,312.76

Finding the Fourth Proportional to 172,523,010,307.64, 258,812,323,185.90 and 53,140,279,312.76

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Solution

The fourth proportional to 172,523,010,307.64, 258,812,323,185.90 and 53,140,279,312.76 is: 79,718,984,262.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,523,010,307.64 : 258,812,323,185.90 = 53,140,279,312.76 : x
  2. Step 2: Convert to fraction form
    172,523,010,307.64/258,812,323,185.90 = 53,140,279,312.76/x
  3. Step 3: Cross multiply
    172,523,010,307.64x = 258,812,323,185.90 × 53,140,279,312.76
  4. Step 4: Simplify right side
    172,523,010,307.64x = 13,753,359,143,683,036,807,168
  5. Step 5: Solve for x
    x = 13,753,359,143,683,036,807,168/172,523,010,307.64
  6. Step 6: Final answer
    x = 79,718,984,262.78

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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.