Home / 219,922,461.72-303,475,298.22-127,108,981.08

Finding the Fourth Proportional to 219,922,461.72, 303,475,298.22 and 127,108,981.08

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Solution

The fourth proportional to 219,922,461.72, 303,475,298.22 and 127,108,981.08 is: 175,400,164.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,922,461.72 : 303,475,298.22 = 127,108,981.08 : x
  2. Step 2: Convert to fraction form
    219,922,461.72/303,475,298.22 = 127,108,981.08/x
  3. Step 3: Cross multiply
    219,922,461.72x = 303,475,298.22 × 127,108,981.08
  4. Step 4: Simplify right side
    219,922,461.72x = 38,574,435,939,693,344
  5. Step 5: Solve for x
    x = 38,574,435,939,693,344/219,922,461.72
  6. Step 6: Final answer
    x = 175,400,164.39

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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.