Home / 257,139,509.07-354,855,126.57-139,667,133.24

Finding the Fourth Proportional to 257,139,509.07, 354,855,126.57 and 139,667,133.24

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Solution

The fourth proportional to 257,139,509.07, 354,855,126.57 and 139,667,133.24 is: 192,742,058.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,139,509.07 : 354,855,126.57 = 139,667,133.24 : x
  2. Step 2: Convert to fraction form
    257,139,509.07/354,855,126.57 = 139,667,133.24/x
  3. Step 3: Cross multiply
    257,139,509.07x = 354,855,126.57 × 139,667,133.24
  4. Step 4: Simplify right side
    257,139,509.07x = 49,561,598,243,549,256
  5. Step 5: Solve for x
    x = 49,561,598,243,549,256/257,139,509.07
  6. Step 6: Final answer
    x = 192,742,058.28

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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.