Home / 124,574,246.40-186,805,382.40-47,871,782.40

Finding the Fourth Proportional to 124,574,246.40, 186,805,382.40 and 47,871,782.40

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Solution

The fourth proportional to 124,574,246.40, 186,805,382.40 and 47,871,782.40 is: 71,786,158.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,574,246.40 : 186,805,382.40 = 47,871,782.40 : x
  2. Step 2: Convert to fraction form
    124,574,246.40/186,805,382.40 = 47,871,782.40/x
  3. Step 3: Cross multiply
    124,574,246.40x = 186,805,382.40 × 47,871,782.40
  4. Step 4: Simplify right side
    124,574,246.40x = 8,942,706,617,401,590
  5. Step 5: Solve for x
    x = 8,942,706,617,401,590/124,574,246.40
  6. Step 6: Final answer
    x = 71,786,158.66

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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.