Home / 68,078,688.98-93,941,346.48-38,308,817.16

Finding the Fourth Proportional to 68,078,688.98, 93,941,346.48 and 38,308,817.16

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Solution

The fourth proportional to 68,078,688.98, 93,941,346.48 and 38,308,817.16 is: 52,862,091.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,078,688.98 : 93,941,346.48 = 38,308,817.16 : x
  2. Step 2: Convert to fraction form
    68,078,688.98/93,941,346.48 = 38,308,817.16/x
  3. Step 3: Cross multiply
    68,078,688.98x = 93,941,346.48 × 38,308,817.16
  4. Step 4: Simplify right side
    68,078,688.98x = 3,598,781,865,922,871
  5. Step 5: Solve for x
    x = 3,598,781,865,922,871/68,078,688.98
  6. Step 6: Final answer
    x = 52,862,091.21

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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.