Home / 210,030,685.98-315,043,494.75-54,570,737.97

Finding the Fourth Proportional to 210,030,685.98, 315,043,494.75 and 54,570,737.97

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Solution

The fourth proportional to 210,030,685.98, 315,043,494.75 and 54,570,737.97 is: 81,855,448.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,030,685.98 : 315,043,494.75 = 54,570,737.97 : x
  2. Step 2: Convert to fraction form
    210,030,685.98/315,043,494.75 = 54,570,737.97/x
  3. Step 3: Cross multiply
    210,030,685.98x = 315,043,494.75 × 54,570,737.97
  4. Step 4: Simplify right side
    210,030,685.98x = 17,192,155,999,580,104
  5. Step 5: Solve for x
    x = 17,192,155,999,580,104/210,030,685.98
  6. Step 6: Final answer
    x = 81,855,448.50

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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.