Home / 145,158,425.51-200,318,276.49-79,079,466.77

Finding the Fourth Proportional to 145,158,425.51, 200,318,276.49 and 79,079,466.77

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Solution

The fourth proportional to 145,158,425.51, 200,318,276.49 and 79,079,466.77 is: 109,129,473.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,158,425.51 : 200,318,276.49 = 79,079,466.77 : x
  2. Step 2: Convert to fraction form
    145,158,425.51/200,318,276.49 = 79,079,466.77/x
  3. Step 3: Cross multiply
    145,158,425.51x = 200,318,276.49 × 79,079,466.77
  4. Step 4: Simplify right side
    145,158,425.51x = 15,841,062,489,114,628
  5. Step 5: Solve for x
    x = 15,841,062,489,114,628/145,158,425.51
  6. Step 6: Final answer
    x = 109,129,473.08

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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.