Home / 85,551,693.40-128,295,929.22-37,036,641.88

Finding the Fourth Proportional to 85,551,693.40, 128,295,929.22 and 37,036,641.88

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Solution

The fourth proportional to 85,551,693.40, 128,295,929.22 and 37,036,641.88 is: 55,541,277.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,551,693.40 : 128,295,929.22 = 37,036,641.88 : x
  2. Step 2: Convert to fraction form
    85,551,693.40/128,295,929.22 = 37,036,641.88/x
  3. Step 3: Cross multiply
    85,551,693.40x = 128,295,929.22 × 37,036,641.88
  4. Step 4: Simplify right side
    85,551,693.40x = 4,751,650,385,182,968
  5. Step 5: Solve for x
    x = 4,751,650,385,182,968/85,551,693.40
  6. Step 6: Final answer
    x = 55,541,277.98

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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.