Home / 56,311,965-77,710,511.75-30,557,853

Finding the Fourth Proportional to 56,311,965, 77,710,511.75 and 30,557,853

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Solution

The fourth proportional to 56,311,965, 77,710,511.75 and 30,557,853 is: 42,169,837.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,311,965 : 77,710,511.75 = 30,557,853 : x
  2. Step 2: Convert to fraction form
    56,311,965/77,710,511.75 = 30,557,853/x
  3. Step 3: Cross multiply
    56,311,965x = 77,710,511.75 × 30,557,853
  4. Step 4: Simplify right side
    56,311,965x = 2,374,666,394,458,483.50
  5. Step 5: Solve for x
    x = 2,374,666,394,458,483.50/56,311,965
  6. Step 6: Final answer
    x = 42,169,837.16

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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.