Home / 53,939,690.40-80,909,535.60-53,043,895.20

Finding the Fourth Proportional to 53,939,690.40, 80,909,535.60 and 53,043,895.20

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Solution

The fourth proportional to 53,939,690.40, 80,909,535.60 and 53,043,895.20 is: 79,565,842.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,939,690.40 : 80,909,535.60 = 53,043,895.20 : x
  2. Step 2: Convert to fraction form
    53,939,690.40/80,909,535.60 = 53,043,895.20/x
  3. Step 3: Cross multiply
    53,939,690.40x = 80,909,535.60 × 53,043,895.20
  4. Step 4: Simplify right side
    53,939,690.40x = 4,291,756,927,047,069
  5. Step 5: Solve for x
    x = 4,291,756,927,047,069/53,939,690.40
  6. Step 6: Final answer
    x = 79,565,842.80

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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.