Home / 42,470,290.45-63,395,386.43-36,443,749.51

Finding the Fourth Proportional to 42,470,290.45, 63,395,386.43 and 36,443,749.51

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Solution

The fourth proportional to 42,470,290.45, 63,395,386.43 and 36,443,749.51 is: 54,399,571.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,470,290.45 : 63,395,386.43 = 36,443,749.51 : x
  2. Step 2: Convert to fraction form
    42,470,290.45/63,395,386.43 = 36,443,749.51/x
  3. Step 3: Cross multiply
    42,470,290.45x = 63,395,386.43 × 36,443,749.51
  4. Step 4: Simplify right side
    42,470,290.45x = 2,310,365,583,144,573
  5. Step 5: Solve for x
    x = 2,310,365,583,144,573/42,470,290.45
  6. Step 6: Final answer
    x = 54,399,571.06

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.