Home / 102,155,294.45-140,977,284.40-55,748,537.66

Finding the Fourth Proportional to 102,155,294.45, 140,977,284.40 and 55,748,537.66

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Solution

The fourth proportional to 102,155,294.45, 140,977,284.40 and 55,748,537.66 is: 76,934,607.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,155,294.45 : 140,977,284.40 = 55,748,537.66 : x
  2. Step 2: Convert to fraction form
    102,155,294.45/140,977,284.40 = 55,748,537.66/x
  3. Step 3: Cross multiply
    102,155,294.45x = 140,977,284.40 × 55,748,537.66
  4. Step 4: Simplify right side
    102,155,294.45x = 7,859,277,449,000,060
  5. Step 5: Solve for x
    x = 7,859,277,449,000,060/102,155,294.45
  6. Step 6: Final answer
    x = 76,934,607.17

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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.