Home / 70,447,740.48-105,687,925.74-21,923,021.88

Finding the Fourth Proportional to 70,447,740.48, 105,687,925.74 and 21,923,021.88

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Solution

The fourth proportional to 70,447,740.48, 105,687,925.74 and 21,923,021.88 is: 32,889,609.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,447,740.48 : 105,687,925.74 = 21,923,021.88 : x
  2. Step 2: Convert to fraction form
    70,447,740.48/105,687,925.74 = 21,923,021.88/x
  3. Step 3: Cross multiply
    70,447,740.48x = 105,687,925.74 × 21,923,021.88
  4. Step 4: Simplify right side
    70,447,740.48x = 2,316,998,708,449,835
  5. Step 5: Solve for x
    x = 2,316,998,708,449,835/70,447,740.48
  6. Step 6: Final answer
    x = 32,889,609.98

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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.