Home / 57,075,390.80-85,364,254.20-51,053,656.40

Finding the Fourth Proportional to 57,075,390.80, 85,364,254.20 and 51,053,656.40

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Solution

The fourth proportional to 57,075,390.80, 85,364,254.20 and 51,053,656.40 is: 76,357,905.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,075,390.80 : 85,364,254.20 = 51,053,656.40 : x
  2. Step 2: Convert to fraction form
    57,075,390.80/85,364,254.20 = 51,053,656.40/x
  3. Step 3: Cross multiply
    57,075,390.80x = 85,364,254.20 × 51,053,656.40
  4. Step 4: Simplify right side
    57,075,390.80x = 4,358,157,302,769,057
  5. Step 5: Solve for x
    x = 4,358,157,302,769,057/57,075,390.80
  6. Step 6: Final answer
    x = 76,357,905.60

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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.