Home / 55,730,783.70-83,596,175.55-19,327,075.20

Finding the Fourth Proportional to 55,730,783.70, 83,596,175.55 and 19,327,075.20

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Solution

The fourth proportional to 55,730,783.70, 83,596,175.55 and 19,327,075.20 is: 28,990,612.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,730,783.70 : 83,596,175.55 = 19,327,075.20 : x
  2. Step 2: Convert to fraction form
    55,730,783.70/83,596,175.55 = 19,327,075.20/x
  3. Step 3: Cross multiply
    55,730,783.70x = 83,596,175.55 × 19,327,075.20
  4. Step 4: Simplify right side
    55,730,783.70x = 1,615,669,571,287,251.25
  5. Step 5: Solve for x
    x = 1,615,669,571,287,251.25/55,730,783.70
  6. Step 6: Final answer
    x = 28,990,612.80

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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.