Home / 52,778,617.20-79,142,973.48-20,445,663.60

Finding the Fourth Proportional to 52,778,617.20, 79,142,973.48 and 20,445,663.60

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Solution

The fourth proportional to 52,778,617.20, 79,142,973.48 and 20,445,663.60 is: 30,658,829.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,778,617.20 : 79,142,973.48 = 20,445,663.60 : x
  2. Step 2: Convert to fraction form
    52,778,617.20/79,142,973.48 = 20,445,663.60/x
  3. Step 3: Cross multiply
    52,778,617.20x = 79,142,973.48 × 20,445,663.60
  4. Step 4: Simplify right side
    52,778,617.20x = 1,618,130,612,075,801.50
  5. Step 5: Solve for x
    x = 1,618,130,612,075,801.50/52,778,617.20
  6. Step 6: Final answer
    x = 30,658,829.24

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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.