Home / 70,057,583.79-105,096,404.30-21,539,510.84

Finding the Fourth Proportional to 70,057,583.79, 105,096,404.30 and 21,539,510.84

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Solution

The fourth proportional to 70,057,583.79, 105,096,404.30 and 21,539,510.84 is: 32,312,349.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,057,583.79 : 105,096,404.30 = 21,539,510.84 : x
  2. Step 2: Convert to fraction form
    70,057,583.79/105,096,404.30 = 21,539,510.84/x
  3. Step 3: Cross multiply
    70,057,583.79x = 105,096,404.30 × 21,539,510.84
  4. Step 4: Simplify right side
    70,057,583.79x = 2,263,725,139,664,872.50
  5. Step 5: Solve for x
    x = 2,263,725,139,664,872.50/70,057,583.79
  6. Step 6: Final answer
    x = 32,312,349.60

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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.