Home / 57,096,083.79-78,792,675.35-30,990,607.02

Finding the Fourth Proportional to 57,096,083.79, 78,792,675.35 and 30,990,607.02

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Solution

The fourth proportional to 57,096,083.79, 78,792,675.35 and 30,990,607.02 is: 42,767,080.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,096,083.79 : 78,792,675.35 = 30,990,607.02 : x
  2. Step 2: Convert to fraction form
    57,096,083.79/78,792,675.35 = 30,990,607.02/x
  3. Step 3: Cross multiply
    57,096,083.79x = 78,792,675.35 × 30,990,607.02
  4. Step 4: Simplify right side
    57,096,083.79x = 2,441,832,837,671,338
  5. Step 5: Solve for x
    x = 2,441,832,837,671,338/57,096,083.79
  6. Step 6: Final answer
    x = 42,767,080.96

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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.