Home / 103,112,893.92-142,298,490.44-56,072,718.59

Finding the Fourth Proportional to 103,112,893.92, 142,298,490.44 and 56,072,718.59

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Solution

The fourth proportional to 103,112,893.92, 142,298,490.44 and 56,072,718.59 is: 77,381,818.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,112,893.92 : 142,298,490.44 = 56,072,718.59 : x
  2. Step 2: Convert to fraction form
    103,112,893.92/142,298,490.44 = 56,072,718.59/x
  3. Step 3: Cross multiply
    103,112,893.92x = 142,298,490.44 × 56,072,718.59
  4. Step 4: Simplify right side
    103,112,893.92x = 7,979,063,209,943,562
  5. Step 5: Solve for x
    x = 7,979,063,209,943,562/103,112,893.92
  6. Step 6: Final answer
    x = 77,381,818.19

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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.