Home / 443,880,014.10-665,820,021.15-120,763,886.10

Finding the Fourth Proportional to 443,880,014.10, 665,820,021.15 and 120,763,886.10

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Solution

The fourth proportional to 443,880,014.10, 665,820,021.15 and 120,763,886.10 is: 181,145,829.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,880,014.10 : 665,820,021.15 = 120,763,886.10 : x
  2. Step 2: Convert to fraction form
    443,880,014.10/665,820,021.15 = 120,763,886.10/x
  3. Step 3: Cross multiply
    443,880,014.10x = 665,820,021.15 × 120,763,886.10
  4. Step 4: Simplify right side
    443,880,014.10x = 80,407,013,197,258,192
  5. Step 5: Solve for x
    x = 80,407,013,197,258,192/443,880,014.10
  6. Step 6: Final answer
    x = 181,145,829.15

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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.