Home / 78,755,783,165.64-118,133,977,669.86-19,064,347,760.34

Finding the Fourth Proportional to 78,755,783,165.64, 118,133,977,669.86 and 19,064,347,760.34

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Solution

The fourth proportional to 78,755,783,165.64, 118,133,977,669.86 and 19,064,347,760.34 is: 28,596,594,968.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,755,783,165.64 : 118,133,977,669.86 = 19,064,347,760.34 : x
  2. Step 2: Convert to fraction form
    78,755,783,165.64/118,133,977,669.86 = 19,064,347,760.34/x
  3. Step 3: Cross multiply
    78,755,783,165.64x = 118,133,977,669.86 × 19,064,347,760.34
  4. Step 4: Simplify right side
    78,755,783,165.64x = 2,252,147,232,610,451,193,856
  5. Step 5: Solve for x
    x = 2,252,147,232,610,451,193,856/78,755,783,165.64
  6. Step 6: Final answer
    x = 28,596,594,968.44

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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.