Home / 135,522,898.20-187,021,457.64-73,643,088.96

Finding the Fourth Proportional to 135,522,898.20, 187,021,457.64 and 73,643,088.96

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Solution

The fourth proportional to 135,522,898.20, 187,021,457.64 and 73,643,088.96 is: 101,627,385.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,522,898.20 : 187,021,457.64 = 73,643,088.96 : x
  2. Step 2: Convert to fraction form
    135,522,898.20/187,021,457.64 = 73,643,088.96/x
  3. Step 3: Cross multiply
    135,522,898.20x = 187,021,457.64 × 73,643,088.96
  4. Step 4: Simplify right side
    135,522,898.20x = 13,772,837,842,411,390
  5. Step 5: Solve for x
    x = 13,772,837,842,411,390/135,522,898.20
  6. Step 6: Final answer
    x = 101,627,385.67

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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.