Home / 130,528,604.32-180,134,613.51-71,796,734.39

Finding the Fourth Proportional to 130,528,604.32, 180,134,613.51 and 71,796,734.39

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Solution

The fourth proportional to 130,528,604.32, 180,134,613.51 and 71,796,734.39 is: 99,082,320.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,528,604.32 : 180,134,613.51 = 71,796,734.39 : x
  2. Step 2: Convert to fraction form
    130,528,604.32/180,134,613.51 = 71,796,734.39/x
  3. Step 3: Cross multiply
    130,528,604.32x = 180,134,613.51 × 71,796,734.39
  4. Step 4: Simplify right side
    130,528,604.32x = 12,933,077,000,622,776
  5. Step 5: Solve for x
    x = 12,933,077,000,622,776/130,528,604.32
  6. Step 6: Final answer
    x = 99,082,320.45

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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.