Home / 133,124,406.87-183,729,931.42-76,607,991.29

Finding the Fourth Proportional to 133,124,406.87, 183,729,931.42 and 76,607,991.29

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Solution

The fourth proportional to 133,124,406.87, 183,729,931.42 and 76,607,991.29 is: 105,729,530.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,124,406.87 : 183,729,931.42 = 76,607,991.29 : x
  2. Step 2: Convert to fraction form
    133,124,406.87/183,729,931.42 = 76,607,991.29/x
  3. Step 3: Cross multiply
    133,124,406.87x = 183,729,931.42 × 76,607,991.29
  4. Step 4: Simplify right side
    133,124,406.87x = 14,075,180,986,490,742
  5. Step 5: Solve for x
    x = 14,075,180,986,490,742/133,124,406.87
  6. Step 6: Final answer
    x = 105,729,530.13

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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.