Home / 56,942,838-78,580,999.80-30,837,348

Finding the Fourth Proportional to 56,942,838, 78,580,999.80 and 30,837,348

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Solution

The fourth proportional to 56,942,838, 78,580,999.80 and 30,837,348 is: 42,555,477.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,942,838 : 78,580,999.80 = 30,837,348 : x
  2. Step 2: Convert to fraction form
    56,942,838/78,580,999.80 = 30,837,348/x
  3. Step 3: Cross multiply
    56,942,838x = 78,580,999.80 × 30,837,348
  4. Step 4: Simplify right side
    56,942,838x = 2,423,229,637,020,530.50
  5. Step 5: Solve for x
    x = 2,423,229,637,020,530.50/56,942,838
  6. Step 6: Final answer
    x = 42,555,477.07

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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.