Home / 77,075,712-106,354,706.67-42,259,240.62

Finding the Fourth Proportional to 77,075,712, 106,354,706.67 and 42,259,240.62

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Solution

The fourth proportional to 77,075,712, 106,354,706.67 and 42,259,240.62 is: 58,312,392.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,075,712 : 106,354,706.67 = 42,259,240.62 : x
  2. Step 2: Convert to fraction form
    77,075,712/106,354,706.67 = 42,259,240.62/x
  3. Step 3: Cross multiply
    77,075,712x = 106,354,706.67 × 42,259,240.62
  4. Step 4: Simplify right side
    77,075,712x = 4,494,469,140,237,048.50
  5. Step 5: Solve for x
    x = 4,494,469,140,237,048.50/77,075,712
  6. Step 6: Final answer
    x = 58,312,392.11

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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.