Home / 53,779,683.64-74,222,237.82-30,578,287

Finding the Fourth Proportional to 53,779,683.64, 74,222,237.82 and 30,578,287

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Solution

The fourth proportional to 53,779,683.64, 74,222,237.82 and 30,578,287 is: 42,201,603.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,779,683.64 : 74,222,237.82 = 30,578,287 : x
  2. Step 2: Convert to fraction form
    53,779,683.64/74,222,237.82 = 30,578,287/x
  3. Step 3: Cross multiply
    53,779,683.64x = 74,222,237.82 × 30,578,287
  4. Step 4: Simplify right side
    53,779,683.64x = 2,269,588,889,842,214
  5. Step 5: Solve for x
    x = 2,269,588,889,842,214/53,779,683.64
  6. Step 6: Final answer
    x = 42,201,603.58

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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.