Home / 70,728,653.92-97,604,569.20-39,788,813.92

Finding the Fourth Proportional to 70,728,653.92, 97,604,569.20 and 39,788,813.92

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Solution

The fourth proportional to 70,728,653.92, 97,604,569.20 and 39,788,813.92 is: 54,908,015.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,728,653.92 : 97,604,569.20 = 39,788,813.92 : x
  2. Step 2: Convert to fraction form
    70,728,653.92/97,604,569.20 = 39,788,813.92/x
  3. Step 3: Cross multiply
    70,728,653.92x = 97,604,569.20 × 39,788,813.92
  4. Step 4: Simplify right side
    70,728,653.92x = 3,883,570,041,640,563.50
  5. Step 5: Solve for x
    x = 3,883,570,041,640,563.50/70,728,653.92
  6. Step 6: Final answer
    x = 54,908,015.72

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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.