Home / 130,276,995.42-195,421,777.76-42,836,576.48

Finding the Fourth Proportional to 130,276,995.42, 195,421,777.76 and 42,836,576.48

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Solution

The fourth proportional to 130,276,995.42, 195,421,777.76 and 42,836,576.48 is: 64,256,931.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,276,995.42 : 195,421,777.76 = 42,836,576.48 : x
  2. Step 2: Convert to fraction form
    130,276,995.42/195,421,777.76 = 42,836,576.48/x
  3. Step 3: Cross multiply
    130,276,995.42x = 195,421,777.76 × 42,836,576.48
  4. Step 4: Simplify right side
    130,276,995.42x = 8,371,199,928,873,802
  5. Step 5: Solve for x
    x = 8,371,199,928,873,802/130,276,995.42
  6. Step 6: Final answer
    x = 64,256,931.18

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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.