Home / 85,926,502.40-128,777,779.20-34,766,643.20

Finding the Fourth Proportional to 85,926,502.40, 128,777,779.20 and 34,766,643.20

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Solution

The fourth proportional to 85,926,502.40, 128,777,779.20 and 34,766,643.20 is: 52,104,658.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,926,502.40 : 128,777,779.20 = 34,766,643.20 : x
  2. Step 2: Convert to fraction form
    85,926,502.40/128,777,779.20 = 34,766,643.20/x
  3. Step 3: Cross multiply
    85,926,502.40x = 128,777,779.20 × 34,766,643.20
  4. Step 4: Simplify right side
    85,926,502.40x = 4,477,171,101,534,782
  5. Step 5: Solve for x
    x = 4,477,171,101,534,782/85,926,502.40
  6. Step 6: Final answer
    x = 52,104,658.94

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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.