Home / 70,728,655.92-97,604,571.96-39,788,815.92

Finding the Fourth Proportional to 70,728,655.92, 97,604,571.96 and 39,788,815.92

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Solution

The fourth proportional to 70,728,655.92, 97,604,571.96 and 39,788,815.92 is: 54,908,018.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,728,655.92 : 97,604,571.96 = 39,788,815.92 : x
  2. Step 2: Convert to fraction form
    70,728,655.92/97,604,571.96 = 39,788,815.92/x
  3. Step 3: Cross multiply
    70,728,655.92x = 97,604,571.96 × 39,788,815.92
  4. Step 4: Simplify right side
    70,728,655.92x = 3,883,570,346,666,833.50
  5. Step 5: Solve for x
    x = 3,883,570,346,666,833.50/70,728,655.92
  6. Step 6: Final answer
    x = 54,908,018.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.