Home / 209,925,008.60-314,887,512.90-133,586,461.40

Finding the Fourth Proportional to 209,925,008.60, 314,887,512.90 and 133,586,461.40

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Solution

The fourth proportional to 209,925,008.60, 314,887,512.90 and 133,586,461.40 is: 200,379,692.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,925,008.60 : 314,887,512.90 = 133,586,461.40 : x
  2. Step 2: Convert to fraction form
    209,925,008.60/314,887,512.90 = 133,586,461.40/x
  3. Step 3: Cross multiply
    209,925,008.60x = 314,887,512.90 × 133,586,461.40
  4. Step 4: Simplify right side
    209,925,008.60x = 42,064,708,587,357,848
  5. Step 5: Solve for x
    x = 42,064,708,587,357,848/209,925,008.60
  6. Step 6: Final answer
    x = 200,379,692.10

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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.