Home / 206,720,572.77-285,184,752.57-123,041,782.89

Finding the Fourth Proportional to 206,720,572.77, 285,184,752.57 and 123,041,782.89

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Solution

The fourth proportional to 206,720,572.77, 285,184,752.57 and 123,041,782.89 is: 169,744,307.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,720,572.77 : 285,184,752.57 = 123,041,782.89 : x
  2. Step 2: Convert to fraction form
    206,720,572.77/285,184,752.57 = 123,041,782.89/x
  3. Step 3: Cross multiply
    206,720,572.77x = 285,184,752.57 × 123,041,782.89
  4. Step 4: Simplify right side
    206,720,572.77x = 35,089,640,409,256,308
  5. Step 5: Solve for x
    x = 35,089,640,409,256,308/206,720,572.77
  6. Step 6: Final answer
    x = 169,744,307.20

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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.