Home / 70,057,582.79-105,096,402.80-21,539,509.84

Finding the Fourth Proportional to 70,057,582.79, 105,096,402.80 and 21,539,509.84

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Solution

The fourth proportional to 70,057,582.79, 105,096,402.80 and 21,539,509.84 is: 32,312,348.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,057,582.79 : 105,096,402.80 = 21,539,509.84 : x
  2. Step 2: Convert to fraction form
    70,057,582.79/105,096,402.80 = 21,539,509.84/x
  3. Step 3: Cross multiply
    70,057,582.79x = 105,096,402.80 × 21,539,509.84
  4. Step 4: Simplify right side
    70,057,582.79x = 2,263,725,001,626,024
  5. Step 5: Solve for x
    x = 2,263,725,001,626,024/70,057,582.79
  6. Step 6: Final answer
    x = 32,312,348.09

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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.