Home / 130,305,459.78-195,160,507.65-62,195,981.22

Finding the Fourth Proportional to 130,305,459.78, 195,160,507.65 and 62,195,981.22

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Solution

The fourth proportional to 130,305,459.78, 195,160,507.65 and 62,195,981.22 is: 93,151,885.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,305,459.78 : 195,160,507.65 = 62,195,981.22 : x
  2. Step 2: Convert to fraction form
    130,305,459.78/195,160,507.65 = 62,195,981.22/x
  3. Step 3: Cross multiply
    130,305,459.78x = 195,160,507.65 × 62,195,981.22
  4. Step 4: Simplify right side
    130,305,459.78x = 12,138,199,268,685,066
  5. Step 5: Solve for x
    x = 12,138,199,268,685,066/130,305,459.78
  6. Step 6: Final answer
    x = 93,151,885.49

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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.