Home / 157,720,457.29-236,633,245.70-99,360,760.05

Finding the Fourth Proportional to 157,720,457.29, 236,633,245.70 and 99,360,760.05

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Solution

The fourth proportional to 157,720,457.29, 236,633,245.70 and 99,360,760.05 is: 149,074,251.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,720,457.29 : 236,633,245.70 = 99,360,760.05 : x
  2. Step 2: Convert to fraction form
    157,720,457.29/236,633,245.70 = 99,360,760.05/x
  3. Step 3: Cross multiply
    157,720,457.29x = 236,633,245.70 × 99,360,760.05
  4. Step 4: Simplify right side
    157,720,457.29x = 23,512,059,145,353,588
  5. Step 5: Solve for x
    x = 23,512,059,145,353,588/157,720,457.29
  6. Step 6: Final answer
    x = 149,074,251.68

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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.