Home / 99,362,330.70-137,119,989.15-55,308,374.70

Finding the Fourth Proportional to 99,362,330.70, 137,119,989.15 and 55,308,374.70

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Solution

The fourth proportional to 99,362,330.70, 137,119,989.15 and 55,308,374.70 is: 76,325,541.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,362,330.70 : 137,119,989.15 = 55,308,374.70 : x
  2. Step 2: Convert to fraction form
    99,362,330.70/137,119,989.15 = 55,308,374.70/x
  3. Step 3: Cross multiply
    99,362,330.70x = 137,119,989.15 × 55,308,374.70
  4. Step 4: Simplify right side
    99,362,330.70x = 7,583,883,738,768,135
  5. Step 5: Solve for x
    x = 7,583,883,738,768,135/99,362,330.70
  6. Step 6: Final answer
    x = 76,325,541.94

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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.