Home / 106,838,999.10-160,258,498.65-72,401,622.30

Finding the Fourth Proportional to 106,838,999.10, 160,258,498.65 and 72,401,622.30

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Solution

The fourth proportional to 106,838,999.10, 160,258,498.65 and 72,401,622.30 is: 108,602,433.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,838,999.10 : 160,258,498.65 = 72,401,622.30 : x
  2. Step 2: Convert to fraction form
    106,838,999.10/160,258,498.65 = 72,401,622.30/x
  3. Step 3: Cross multiply
    106,838,999.10x = 160,258,498.65 × 72,401,622.30
  4. Step 4: Simplify right side
    106,838,999.10x = 11,602,975,289,622,360
  5. Step 5: Solve for x
    x = 11,602,975,289,622,360/106,838,999.10
  6. Step 6: Final answer
    x = 108,602,433.45

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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.