Home / 70,006,973.04-105,010,459.56-18,888,991.86

Finding the Fourth Proportional to 70,006,973.04, 105,010,459.56 and 18,888,991.86

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Solution

The fourth proportional to 70,006,973.04, 105,010,459.56 and 18,888,991.86 is: 28,333,487.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,006,973.04 : 105,010,459.56 = 18,888,991.86 : x
  2. Step 2: Convert to fraction form
    70,006,973.04/105,010,459.56 = 18,888,991.86/x
  3. Step 3: Cross multiply
    70,006,973.04x = 105,010,459.56 × 18,888,991.86
  4. Step 4: Simplify right side
    70,006,973.04x = 1,983,541,715,843,699.25
  5. Step 5: Solve for x
    x = 1,983,541,715,843,699.25/70,006,973.04
  6. Step 6: Final answer
    x = 28,333,487.79

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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.