Home / 70,057,582.29-105,096,402.05-21,539,509.34

Finding the Fourth Proportional to 70,057,582.29, 105,096,402.05 and 21,539,509.34

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Solution

The fourth proportional to 70,057,582.29, 105,096,402.05 and 21,539,509.34 is: 32,312,347.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,057,582.29 : 105,096,402.05 = 21,539,509.34 : x
  2. Step 2: Convert to fraction form
    70,057,582.29/105,096,402.05 = 21,539,509.34/x
  3. Step 3: Cross multiply
    70,057,582.29x = 105,096,402.05 × 21,539,509.34
  4. Step 4: Simplify right side
    70,057,582.29x = 2,263,724,932,923,190.50
  5. Step 5: Solve for x
    x = 2,263,724,932,923,190.50/70,057,582.29
  6. Step 6: Final answer
    x = 32,312,347.34

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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.