Home / 56,893,731.75-78,513,347.43-30,788,250.48

Finding the Fourth Proportional to 56,893,731.75, 78,513,347.43 and 30,788,250.48

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Solution

The fourth proportional to 56,893,731.75, 78,513,347.43 and 30,788,250.48 is: 42,487,784.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,893,731.75 : 78,513,347.43 = 30,788,250.48 : x
  2. Step 2: Convert to fraction form
    56,893,731.75/78,513,347.43 = 30,788,250.48/x
  3. Step 3: Cross multiply
    56,893,731.75x = 78,513,347.43 × 30,788,250.48
  4. Step 4: Simplify right side
    56,893,731.75x = 2,417,288,606,698,104.50
  5. Step 5: Solve for x
    x = 2,417,288,606,698,104.50/56,893,731.75
  6. Step 6: Final answer
    x = 42,487,784.37

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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.