Home / 124,169,525.81-186,283,119.20-42,289,113.12

Finding the Fourth Proportional to 124,169,525.81, 186,283,119.20 and 42,289,113.12

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Solution

The fourth proportional to 124,169,525.81, 186,283,119.20 and 42,289,113.12 is: 63,443,488.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,169,525.81 : 186,283,119.20 = 42,289,113.12 : x
  2. Step 2: Convert to fraction form
    124,169,525.81/186,283,119.20 = 42,289,113.12/x
  3. Step 3: Cross multiply
    124,169,525.81x = 186,283,119.20 × 42,289,113.12
  4. Step 4: Simplify right side
    124,169,525.81x = 7,877,747,899,285,237
  5. Step 5: Solve for x
    x = 7,877,747,899,285,237/124,169,525.81
  6. Step 6: Final answer
    x = 63,443,488.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.