Home / 209,953,880.20-314,930,820.30-152,133,099.40

Finding the Fourth Proportional to 209,953,880.20, 314,930,820.30 and 152,133,099.40

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Solution

The fourth proportional to 209,953,880.20, 314,930,820.30 and 152,133,099.40 is: 228,199,649.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,953,880.20 : 314,930,820.30 = 152,133,099.40 : x
  2. Step 2: Convert to fraction form
    209,953,880.20/314,930,820.30 = 152,133,099.40/x
  3. Step 3: Cross multiply
    209,953,880.20x = 314,930,820.30 × 152,133,099.40
  4. Step 4: Simplify right side
    209,953,880.20x = 47,911,401,788,823,440
  5. Step 5: Solve for x
    x = 47,911,401,788,823,440/209,953,880.20
  6. Step 6: Final answer
    x = 228,199,649.10

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1.5x scale

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.