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Finding the Fourth Proportional to 97,804,561.90, 146,706,842.85 and 46,786,225.90

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Solution

The fourth proportional to 97,804,561.90, 146,706,842.85 and 46,786,225.90 is: 70,179,338.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,804,561.90 : 146,706,842.85 = 46,786,225.90 : x
  2. Step 2: Convert to fraction form
    97,804,561.90/146,706,842.85 = 46,786,225.90/x
  3. Step 3: Cross multiply
    97,804,561.90x = 146,706,842.85 × 46,786,225.90
  4. Step 4: Simplify right side
    97,804,561.90x = 6,863,859,490,655,899
  5. Step 5: Solve for x
    x = 6,863,859,490,655,899/97,804,561.90
  6. Step 6: Final answer
    x = 70,179,338.85

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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.