Home / 72,772,813.61-100,435,289.06-41,418,485.94

Finding the Fourth Proportional to 72,772,813.61, 100,435,289.06 and 41,418,485.94

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Solution

The fourth proportional to 72,772,813.61, 100,435,289.06 and 41,418,485.94 is: 57,162,522.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,772,813.61 : 100,435,289.06 = 41,418,485.94 : x
  2. Step 2: Convert to fraction form
    72,772,813.61/100,435,289.06 = 41,418,485.94/x
  3. Step 3: Cross multiply
    72,772,813.61x = 100,435,289.06 × 41,418,485.94
  4. Step 4: Simplify right side
    72,772,813.61x = 4,159,877,607,604,353.50
  5. Step 5: Solve for x
    x = 4,159,877,607,604,353.50/72,772,813.61
  6. Step 6: Final answer
    x = 57,162,522.67

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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.