Home / 70,447,740.61-105,687,925.93-21,923,022.01

Finding the Fourth Proportional to 70,447,740.61, 105,687,925.93 and 21,923,022.01

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Solution

The fourth proportional to 70,447,740.61, 105,687,925.93 and 21,923,022.01 is: 32,889,610.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,447,740.61 : 105,687,925.93 = 21,923,022.01 : x
  2. Step 2: Convert to fraction form
    70,447,740.61/105,687,925.93 = 21,923,022.01/x
  3. Step 3: Cross multiply
    70,447,740.61x = 105,687,925.93 × 21,923,022.01
  4. Step 4: Simplify right side
    70,447,740.61x = 2,316,998,725,771,392.50
  5. Step 5: Solve for x
    x = 2,316,998,725,771,392.50/70,447,740.61
  6. Step 6: Final answer
    x = 32,889,610.17

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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.