Home / 136,421,765.40-204,634,397.70-45,545,354.40

Finding the Fourth Proportional to 136,421,765.40, 204,634,397.70 and 45,545,354.40

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Solution

The fourth proportional to 136,421,765.40, 204,634,397.70 and 45,545,354.40 is: 68,318,615.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,421,765.40 : 204,634,397.70 = 45,545,354.40 : x
  2. Step 2: Convert to fraction form
    136,421,765.40/204,634,397.70 = 45,545,354.40/x
  3. Step 3: Cross multiply
    136,421,765.40x = 204,634,397.70 × 45,545,354.40
  4. Step 4: Simplify right side
    136,421,765.40x = 9,320,146,165,677,044
  5. Step 5: Solve for x
    x = 9,320,146,165,677,044/136,421,765.40
  6. Step 6: Final answer
    x = 68,318,615.72

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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.