Home / 152,736,512.96-210,776,933.76-83,122,728.32

Finding the Fourth Proportional to 152,736,512.96, 210,776,933.76 and 83,122,728.32

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Solution

The fourth proportional to 152,736,512.96, 210,776,933.76 and 83,122,728.32 is: 114,709,662.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,736,512.96 : 210,776,933.76 = 83,122,728.32 : x
  2. Step 2: Convert to fraction form
    152,736,512.96/210,776,933.76 = 83,122,728.32/x
  3. Step 3: Cross multiply
    152,736,512.96x = 210,776,933.76 × 83,122,728.32
  4. Step 4: Simplify right side
    152,736,512.96x = 17,520,353,801,055,114
  5. Step 5: Solve for x
    x = 17,520,353,801,055,114/152,736,512.96
  6. Step 6: Final answer
    x = 114,709,662.16

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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.