Home / 66,706,956.34-99,930,117.14-45,953,728.52

Finding the Fourth Proportional to 66,706,956.34, 99,930,117.14 and 45,953,728.52

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Solution

The fourth proportional to 66,706,956.34, 99,930,117.14 and 45,953,728.52 is: 68,840,818.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,706,956.34 : 99,930,117.14 = 45,953,728.52 : x
  2. Step 2: Convert to fraction form
    66,706,956.34/99,930,117.14 = 45,953,728.52/x
  3. Step 3: Cross multiply
    66,706,956.34x = 99,930,117.14 × 45,953,728.52
  4. Step 4: Simplify right side
    66,706,956.34x = 4,592,161,474,023,359
  5. Step 5: Solve for x
    x = 4,592,161,474,023,359/66,706,956.34
  6. Step 6: Final answer
    x = 68,840,818.50

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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.