Home / 115,713,421.52-159,680,924.48-63,501,114.72

Finding the Fourth Proportional to 115,713,421.52, 159,680,924.48 and 63,501,114.72

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Solution

The fourth proportional to 115,713,421.52, 159,680,924.48 and 63,501,114.72 is: 87,629,564.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,713,421.52 : 159,680,924.48 = 63,501,114.72 : x
  2. Step 2: Convert to fraction form
    115,713,421.52/159,680,924.48 = 63,501,114.72/x
  3. Step 3: Cross multiply
    115,713,421.52x = 159,680,924.48 × 63,501,114.72
  4. Step 4: Simplify right side
    115,713,421.52x = 10,139,916,704,000,136
  5. Step 5: Solve for x
    x = 10,139,916,704,000,136/115,713,421.52
  6. Step 6: Final answer
    x = 87,629,564.24

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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.