Home / 139,758,000.66-209,614,261.63-65,981,638.01

Finding the Fourth Proportional to 139,758,000.66, 209,614,261.63 and 65,981,638.01

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Solution

The fourth proportional to 139,758,000.66, 209,614,261.63 and 65,981,638.01 is: 98,961,721.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,758,000.66 : 209,614,261.63 = 65,981,638.01 : x
  2. Step 2: Convert to fraction form
    139,758,000.66/209,614,261.63 = 65,981,638.01/x
  3. Step 3: Cross multiply
    139,758,000.66x = 209,614,261.63 × 65,981,638.01
  4. Step 4: Simplify right side
    139,758,000.66x = 13,830,692,332,093,548
  5. Step 5: Solve for x
    x = 13,830,692,332,093,548/139,758,000.66
  6. Step 6: Final answer
    x = 98,961,721.45

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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.