Home / 30,535,156.44-42,138,547.56-16,783,825.32

Finding the Fourth Proportional to 30,535,156.44, 42,138,547.56 and 16,783,825.32

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Solution

The fourth proportional to 30,535,156.44, 42,138,547.56 and 16,783,825.32 is: 23,161,696.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,535,156.44 : 42,138,547.56 = 16,783,825.32 : x
  2. Step 2: Convert to fraction form
    30,535,156.44/42,138,547.56 = 16,783,825.32/x
  3. Step 3: Cross multiply
    30,535,156.44x = 42,138,547.56 × 16,783,825.32
  4. Step 4: Simplify right side
    30,535,156.44x = 707,246,021,485,552.25
  5. Step 5: Solve for x
    x = 707,246,021,485,552.25/30,535,156.44
  6. Step 6: Final answer
    x = 23,161,696.35

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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.