Home / 172,931,103.90-238,644,643.77-94,614,973.02

Finding the Fourth Proportional to 172,931,103.90, 238,644,643.77 and 94,614,973.02

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Solution

The fourth proportional to 172,931,103.90, 238,644,643.77 and 94,614,973.02 is: 130,568,509.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,931,103.90 : 238,644,643.77 = 94,614,973.02 : x
  2. Step 2: Convert to fraction form
    172,931,103.90/238,644,643.77 = 94,614,973.02/x
  3. Step 3: Cross multiply
    172,931,103.90x = 238,644,643.77 × 94,614,973.02
  4. Step 4: Simplify right side
    172,931,103.90x = 22,579,356,531,666,060
  5. Step 5: Solve for x
    x = 22,579,356,531,666,060/172,931,103.90
  6. Step 6: Final answer
    x = 130,568,509.78

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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.