Home / 77,369,852.16-106,767,023.04-42,560,334.72

Finding the Fourth Proportional to 77,369,852.16, 106,767,023.04 and 42,560,334.72

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Solution

The fourth proportional to 77,369,852.16, 106,767,023.04 and 42,560,334.72 is: 58,731,406.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,369,852.16 : 106,767,023.04 = 42,560,334.72 : x
  2. Step 2: Convert to fraction form
    77,369,852.16/106,767,023.04 = 42,560,334.72/x
  3. Step 3: Cross multiply
    77,369,852.16x = 106,767,023.04 × 42,560,334.72
  4. Step 4: Simplify right side
    77,369,852.16x = 4,544,040,237,640,352
  5. Step 5: Solve for x
    x = 4,544,040,237,640,352/77,369,852.16
  6. Step 6: Final answer
    x = 58,731,406.49

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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.