Home / 130,066,931.40-195,051,772.38-52,317,561.96

Finding the Fourth Proportional to 130,066,931.40, 195,051,772.38 and 52,317,561.96

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Solution

The fourth proportional to 130,066,931.40, 195,051,772.38 and 52,317,561.96 is: 78,456,784.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,066,931.40 : 195,051,772.38 = 52,317,561.96 : x
  2. Step 2: Convert to fraction form
    130,066,931.40/195,051,772.38 = 52,317,561.96/x
  3. Step 3: Cross multiply
    130,066,931.40x = 195,051,772.38 × 52,317,561.96
  4. Step 4: Simplify right side
    130,066,931.40x = 10,204,633,186,898,466
  5. Step 5: Solve for x
    x = 10,204,633,186,898,466/130,066,931.40
  6. Step 6: Final answer
    x = 78,456,784.34

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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.