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Finding the Fourth Proportional to 101,807,999.90, 152,488,051.05 and 90,461,260.70

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Solution

The fourth proportional to 101,807,999.90, 152,488,051.05 and 90,461,260.70 is: 135,492,901.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,807,999.90 : 152,488,051.05 = 90,461,260.70 : x
  2. Step 2: Convert to fraction form
    101,807,999.90/152,488,051.05 = 90,461,260.70/x
  3. Step 3: Cross multiply
    101,807,999.90x = 152,488,051.05 × 90,461,260.70
  4. Step 4: Simplify right side
    101,807,999.90x = 13,794,261,339,668,960
  5. Step 5: Solve for x
    x = 13,794,261,339,668,960/101,807,999.90
  6. Step 6: Final answer
    x = 135,492,901.87

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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.