Home / 77,658,642.40-107,190,243.12-45,074,092

Finding the Fourth Proportional to 77,658,642.40, 107,190,243.12 and 45,074,092

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Solution

The fourth proportional to 77,658,642.40, 107,190,243.12 and 45,074,092 is: 62,214,619.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,658,642.40 : 107,190,243.12 = 45,074,092 : x
  2. Step 2: Convert to fraction form
    77,658,642.40/107,190,243.12 = 45,074,092/x
  3. Step 3: Cross multiply
    77,658,642.40x = 107,190,243.12 × 45,074,092
  4. Step 4: Simplify right side
    77,658,642.40x = 4,831,502,879,893,247
  5. Step 5: Solve for x
    x = 4,831,502,879,893,247/77,658,642.40
  6. Step 6: Final answer
    x = 62,214,619.40

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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.