Home / 133,059,423.80-199,738,434.90-102,900,985.40

Finding the Fourth Proportional to 133,059,423.80, 199,738,434.90 and 102,900,985.40

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Solution

The fourth proportional to 133,059,423.80, 199,738,434.90 and 102,900,985.40 is: 154,466,938.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,059,423.80 : 199,738,434.90 = 102,900,985.40 : x
  2. Step 2: Convert to fraction form
    133,059,423.80/199,738,434.90 = 102,900,985.40/x
  3. Step 3: Cross multiply
    133,059,423.80x = 199,738,434.90 × 102,900,985.40
  4. Step 4: Simplify right side
    133,059,423.80x = 20,553,281,773,463,752
  5. Step 5: Solve for x
    x = 20,553,281,773,463,752/133,059,423.80
  6. Step 6: Final answer
    x = 154,466,938.05

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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.