Home / 82,951,208.40-124,426,812.60-74,889,051.60

Finding the Fourth Proportional to 82,951,208.40, 124,426,812.60 and 74,889,051.60

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Solution

The fourth proportional to 82,951,208.40, 124,426,812.60 and 74,889,051.60 is: 112,333,577.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,951,208.40 : 124,426,812.60 = 74,889,051.60 : x
  2. Step 2: Convert to fraction form
    82,951,208.40/124,426,812.60 = 74,889,051.60/x
  3. Step 3: Cross multiply
    82,951,208.40x = 124,426,812.60 × 74,889,051.60
  4. Step 4: Simplify right side
    82,951,208.40x = 9,318,205,989,224,928
  5. Step 5: Solve for x
    x = 9,318,205,989,224,928/82,951,208.40
  6. Step 6: Final answer
    x = 112,333,577.40

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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.