Home / 101,807,999.40-152,488,050.30-90,461,260.20

Finding the Fourth Proportional to 101,807,999.40, 152,488,050.30 and 90,461,260.20

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Solution

The fourth proportional to 101,807,999.40, 152,488,050.30 and 90,461,260.20 is: 135,492,901.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,807,999.40 : 152,488,050.30 = 90,461,260.20 : x
  2. Step 2: Convert to fraction form
    101,807,999.40/152,488,050.30 = 90,461,260.20/x
  3. Step 3: Cross multiply
    101,807,999.40x = 152,488,050.30 × 90,461,260.20
  4. Step 4: Simplify right side
    101,807,999.40x = 13,794,261,195,578,990
  5. Step 5: Solve for x
    x = 13,794,261,195,578,990/101,807,999.40
  6. Step 6: Final answer
    x = 135,492,901.12

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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.