Home / 133,124,491.84-183,730,048.80-76,608,076.32

Finding the Fourth Proportional to 133,124,491.84, 183,730,048.80 and 76,608,076.32

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Solution

The fourth proportional to 133,124,491.84, 183,730,048.80 and 76,608,076.32 is: 105,729,647.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,124,491.84 : 183,730,048.80 = 76,608,076.32 : x
  2. Step 2: Convert to fraction form
    133,124,491.84/183,730,048.80 = 76,608,076.32/x
  3. Step 3: Cross multiply
    133,124,491.84x = 183,730,048.80 × 76,608,076.32
  4. Step 4: Simplify right side
    133,124,491.84x = 14,075,205,600,747,724
  5. Step 5: Solve for x
    x = 14,075,205,600,747,724/133,124,491.84
  6. Step 6: Final answer
    x = 105,729,647.54

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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.