Home / 127,570,688.11-191,430,299.95-53,789,840.24

Finding the Fourth Proportional to 127,570,688.11, 191,430,299.95 and 53,789,840.24

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Solution

The fourth proportional to 127,570,688.11, 191,430,299.95 and 53,789,840.24 is: 80,716,075.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,570,688.11 : 191,430,299.95 = 53,789,840.24 : x
  2. Step 2: Convert to fraction form
    127,570,688.11/191,430,299.95 = 53,789,840.24/x
  3. Step 3: Cross multiply
    127,570,688.11x = 191,430,299.95 × 53,789,840.24
  4. Step 4: Simplify right side
    127,570,688.11x = 10,297,005,251,749,880
  5. Step 5: Solve for x
    x = 10,297,005,251,749,880/127,570,688.11
  6. Step 6: Final answer
    x = 80,716,075.18

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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.