Home / 64,936,604,663.03-89,580,670,147.12-56,350,980,999.92

Finding the Fourth Proportional to 64,936,604,663.03, 89,580,670,147.12 and 56,350,980,999.92

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Solution

The fourth proportional to 64,936,604,663.03, 89,580,670,147.12 and 56,350,980,999.92 is: 77,736,719,799.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,936,604,663.03 : 89,580,670,147.12 = 56,350,980,999.92 : x
  2. Step 2: Convert to fraction form
    64,936,604,663.03/89,580,670,147.12 = 56,350,980,999.92/x
  3. Step 3: Cross multiply
    64,936,604,663.03x = 89,580,670,147.12 × 56,350,980,999.92
  4. Step 4: Simplify right side
    64,936,604,663.03x = 5,047,958,641,419,899,371,520
  5. Step 5: Solve for x
    x = 5,047,958,641,419,899,371,520/64,936,604,663.03
  6. Step 6: Final answer
    x = 77,736,719,799.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.