Home / 77,879,681.11-107,507,052.11-48,525,516.72

Finding the Fourth Proportional to 77,879,681.11, 107,507,052.11 and 48,525,516.72

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Solution

The fourth proportional to 77,879,681.11, 107,507,052.11 and 48,525,516.72 is: 66,985,832.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,879,681.11 : 107,507,052.11 = 48,525,516.72 : x
  2. Step 2: Convert to fraction form
    77,879,681.11/107,507,052.11 = 48,525,516.72/x
  3. Step 3: Cross multiply
    77,879,681.11x = 107,507,052.11 × 48,525,516.72
  4. Step 4: Simplify right side
    77,879,681.11x = 5,216,835,254,237,513
  5. Step 5: Solve for x
    x = 5,216,835,254,237,513/77,879,681.11
  6. Step 6: Final answer
    x = 66,985,832.24

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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.