Home / 56,791,913,338-78,375,148,041.36-31,416,947,181.28

Finding the Fourth Proportional to 56,791,913,338, 78,375,148,041.36 and 31,416,947,181.28

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Solution

The fourth proportional to 56,791,913,338, 78,375,148,041.36 and 31,416,947,181.28 is: 43,356,663,680.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,791,913,338 : 78,375,148,041.36 = 31,416,947,181.28 : x
  2. Step 2: Convert to fraction form
    56,791,913,338/78,375,148,041.36 = 31,416,947,181.28/x
  3. Step 3: Cross multiply
    56,791,913,338x = 78,375,148,041.36 × 31,416,947,181.28
  4. Step 4: Simplify right side
    56,791,913,338x = 2,462,307,886,340,407,558,144
  5. Step 5: Solve for x
    x = 2,462,307,886,340,407,558,144/56,791,913,338
  6. Step 6: Final answer
    x = 43,356,663,680.02

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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.