Home / 77,167,861,998.77-115,712,048,763.63-34,636,298,008.86

Finding the Fourth Proportional to 77,167,861,998.77, 115,712,048,763.63 and 34,636,298,008.86

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Solution

The fourth proportional to 77,167,861,998.77, 115,712,048,763.63 and 34,636,298,008.86 is: 51,936,608,069.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,167,861,998.77 : 115,712,048,763.63 = 34,636,298,008.86 : x
  2. Step 2: Convert to fraction form
    77,167,861,998.77/115,712,048,763.63 = 34,636,298,008.86/x
  3. Step 3: Cross multiply
    77,167,861,998.77x = 115,712,048,763.63 × 34,636,298,008.86
  4. Step 4: Simplify right side
    77,167,861,998.77x = 4,007,837,004,192,829,407,232
  5. Step 5: Solve for x
    x = 4,007,837,004,192,829,407,232/77,167,861,998.77
  6. Step 6: Final answer
    x = 51,936,608,069.52

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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.