Home / 145,788,104.73-201,187,946.74-79,712,867.19

Finding the Fourth Proportional to 145,788,104.73, 201,187,946.74 and 79,712,867.19

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Solution

The fourth proportional to 145,788,104.73, 201,187,946.74 and 79,712,867.19 is: 110,003,954.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,788,104.73 : 201,187,946.74 = 79,712,867.19 : x
  2. Step 2: Convert to fraction form
    145,788,104.73/201,187,946.74 = 79,712,867.19/x
  3. Step 3: Cross multiply
    145,788,104.73x = 201,187,946.74 × 79,712,867.19
  4. Step 4: Simplify right side
    145,788,104.73x = 16,037,268,078,714,414
  5. Step 5: Solve for x
    x = 16,037,268,078,714,414/145,788,104.73
  6. Step 6: Final answer
    x = 110,003,954.77

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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.