Home / 77,262,337,108.70-115,893,505,663.05-56,201,968,007.90

Finding the Fourth Proportional to 77,262,337,108.70, 115,893,505,663.05 and 56,201,968,007.90

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Solution

The fourth proportional to 77,262,337,108.70, 115,893,505,663.05 and 56,201,968,007.90 is: 84,302,952,011.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,262,337,108.70 : 115,893,505,663.05 = 56,201,968,007.90 : x
  2. Step 2: Convert to fraction form
    77,262,337,108.70/115,893,505,663.05 = 56,201,968,007.90/x
  3. Step 3: Cross multiply
    77,262,337,108.70x = 115,893,505,663.05 × 56,201,968,007.90
  4. Step 4: Simplify right side
    77,262,337,108.70x = 6,513,443,097,598,114,136,064
  5. Step 5: Solve for x
    x = 6,513,443,097,598,114,136,064/77,262,337,108.70
  6. Step 6: Final answer
    x = 84,302,952,011.85

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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.