Home / 130,118,523.72-179,562,499.94-70,579,670.79

Finding the Fourth Proportional to 130,118,523.72, 179,562,499.94 and 70,579,670.79

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Solution

The fourth proportional to 130,118,523.72, 179,562,499.94 and 70,579,670.79 is: 97,399,369.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,118,523.72 : 179,562,499.94 = 70,579,670.79 : x
  2. Step 2: Convert to fraction form
    130,118,523.72/179,562,499.94 = 70,579,670.79/x
  3. Step 3: Cross multiply
    130,118,523.72x = 179,562,499.94 × 70,579,670.79
  4. Step 4: Simplify right side
    130,118,523.72x = 12,673,462,132,171,044
  5. Step 5: Solve for x
    x = 12,673,462,132,171,044/130,118,523.72
  6. Step 6: Final answer
    x = 97,399,369.20

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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.