Home / 51,793,381-77,683,870.62-40,290,341

Finding the Fourth Proportional to 51,793,381, 77,683,870.62 and 40,290,341

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Solution

The fourth proportional to 51,793,381, 77,683,870.62 and 40,290,341 is: 60,430,687.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,793,381 : 77,683,870.62 = 40,290,341 : x
  2. Step 2: Convert to fraction form
    51,793,381/77,683,870.62 = 40,290,341/x
  3. Step 3: Cross multiply
    51,793,381x = 77,683,870.62 × 40,290,341
  4. Step 4: Simplify right side
    51,793,381x = 3,129,909,637,479,681.50
  5. Step 5: Solve for x
    x = 3,129,909,637,479,681.50/51,793,381
  6. Step 6: Final answer
    x = 60,430,687.80

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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.