Home / 99,848,875.70-149,773,313.55-83,724,562.10

Finding the Fourth Proportional to 99,848,875.70, 149,773,313.55 and 83,724,562.10

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Solution

The fourth proportional to 99,848,875.70, 149,773,313.55 and 83,724,562.10 is: 125,586,843.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,848,875.70 : 149,773,313.55 = 83,724,562.10 : x
  2. Step 2: Convert to fraction form
    99,848,875.70/149,773,313.55 = 83,724,562.10/x
  3. Step 3: Cross multiply
    99,848,875.70x = 149,773,313.55 × 83,724,562.10
  4. Step 4: Simplify right side
    99,848,875.70x = 12,539,705,091,239,746
  5. Step 5: Solve for x
    x = 12,539,705,091,239,746/99,848,875.70
  6. Step 6: Final answer
    x = 125,586,843.15

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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.