Home / 96,777,779.80-145,166,669.70-83,639,450.20

Finding the Fourth Proportional to 96,777,779.80, 145,166,669.70 and 83,639,450.20

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Solution

The fourth proportional to 96,777,779.80, 145,166,669.70 and 83,639,450.20 is: 125,459,175.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,777,779.80 : 145,166,669.70 = 83,639,450.20 : x
  2. Step 2: Convert to fraction form
    96,777,779.80/145,166,669.70 = 83,639,450.20/x
  3. Step 3: Cross multiply
    96,777,779.80x = 145,166,669.70 × 83,639,450.20
  4. Step 4: Simplify right side
    96,777,779.80x = 12,141,660,441,072,998
  5. Step 5: Solve for x
    x = 12,141,660,441,072,998/96,777,779.80
  6. Step 6: Final answer
    x = 125,459,175.30

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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.