Home / 199,590,513.40-299,385,770.10-97,420,094.20

Finding the Fourth Proportional to 199,590,513.40, 299,385,770.10 and 97,420,094.20

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Solution

The fourth proportional to 199,590,513.40, 299,385,770.10 and 97,420,094.20 is: 146,130,141.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,590,513.40 : 299,385,770.10 = 97,420,094.20 : x
  2. Step 2: Convert to fraction form
    199,590,513.40/299,385,770.10 = 97,420,094.20/x
  3. Step 3: Cross multiply
    199,590,513.40x = 299,385,770.10 × 97,420,094.20
  4. Step 4: Simplify right side
    199,590,513.40x = 29,166,189,925,281,548
  5. Step 5: Solve for x
    x = 29,166,189,925,281,548/199,590,513.40
  6. Step 6: Final answer
    x = 146,130,141.30

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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.