Home / 52,697,220.75-72,729,802.17-30,365,862.21

Finding the Fourth Proportional to 52,697,220.75, 72,729,802.17 and 30,365,862.21

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Solution

The fourth proportional to 52,697,220.75, 72,729,802.17 and 30,365,862.21 is: 41,909,290.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,697,220.75 : 72,729,802.17 = 30,365,862.21 : x
  2. Step 2: Convert to fraction form
    52,697,220.75/72,729,802.17 = 30,365,862.21/x
  3. Step 3: Cross multiply
    52,697,220.75x = 72,729,802.17 × 30,365,862.21
  4. Step 4: Simplify right side
    52,697,220.75x = 2,208,503,151,254,779
  5. Step 5: Solve for x
    x = 2,208,503,151,254,779/52,697,220.75
  6. Step 6: Final answer
    x = 41,909,290.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.