Home / 149,562,883.04-206,431,215.98-87,703,150.64

Finding the Fourth Proportional to 149,562,883.04, 206,431,215.98 and 87,703,150.64

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Solution

The fourth proportional to 149,562,883.04, 206,431,215.98 and 87,703,150.64 is: 121,050,541.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,562,883.04 : 206,431,215.98 = 87,703,150.64 : x
  2. Step 2: Convert to fraction form
    149,562,883.04/206,431,215.98 = 87,703,150.64/x
  3. Step 3: Cross multiply
    149,562,883.04x = 206,431,215.98 × 87,703,150.64
  4. Step 4: Simplify right side
    149,562,883.04x = 18,104,668,031,079,416
  5. Step 5: Solve for x
    x = 18,104,668,031,079,416/149,562,883.04
  6. Step 6: Final answer
    x = 121,050,541.84

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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.