Home / 147,510,899.25-203,559,705.27-81,429,979.02

Finding the Fourth Proportional to 147,510,899.25, 203,559,705.27 and 81,429,979.02

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Solution

The fourth proportional to 147,510,899.25, 203,559,705.27 and 81,429,979.02 is: 112,370,425.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,510,899.25 : 203,559,705.27 = 81,429,979.02 : x
  2. Step 2: Convert to fraction form
    147,510,899.25/203,559,705.27 = 81,429,979.02/x
  3. Step 3: Cross multiply
    147,510,899.25x = 203,559,705.27 × 81,429,979.02
  4. Step 4: Simplify right side
    147,510,899.25x = 16,575,862,529,453,484
  5. Step 5: Solve for x
    x = 16,575,862,529,453,484/147,510,899.25
  6. Step 6: Final answer
    x = 112,370,425.60

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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.