Home / 56,710,318.40-85,065,477.60-53,724,334.40

Finding the Fourth Proportional to 56,710,318.40, 85,065,477.60 and 53,724,334.40

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Solution

The fourth proportional to 56,710,318.40, 85,065,477.60 and 53,724,334.40 is: 80,586,501.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,710,318.40 : 85,065,477.60 = 53,724,334.40 : x
  2. Step 2: Convert to fraction form
    56,710,318.40/85,065,477.60 = 53,724,334.40/x
  3. Step 3: Cross multiply
    56,710,318.40x = 85,065,477.60 × 53,724,334.40
  4. Step 4: Simplify right side
    56,710,318.40x = 4,570,086,164,478,109
  5. Step 5: Solve for x
    x = 4,570,086,164,478,109/56,710,318.40
  6. Step 6: Final answer
    x = 80,586,501.60

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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.