Home / 130,528,597.83-180,134,604.54-71,796,727.87

Finding the Fourth Proportional to 130,528,597.83, 180,134,604.54 and 71,796,727.87

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Solution

The fourth proportional to 130,528,597.83, 180,134,604.54 and 71,796,727.87 is: 99,082,311.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,528,597.83 : 180,134,604.54 = 71,796,727.87 : x
  2. Step 2: Convert to fraction form
    130,528,597.83/180,134,604.54 = 71,796,727.87/x
  3. Step 3: Cross multiply
    130,528,597.83x = 180,134,604.54 × 71,796,727.87
  4. Step 4: Simplify right side
    130,528,597.83x = 12,933,075,182,235,082
  5. Step 5: Solve for x
    x = 12,933,075,182,235,082/130,528,597.83
  6. Step 6: Final answer
    x = 99,082,311.44

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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.