Home / 56,037,214.74-77,334,821.86-30,919,201.26

Finding the Fourth Proportional to 56,037,214.74, 77,334,821.86 and 30,919,201.26

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Solution

The fourth proportional to 56,037,214.74, 77,334,821.86 and 30,919,201.26 is: 42,670,409.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,037,214.74 : 77,334,821.86 = 30,919,201.26 : x
  2. Step 2: Convert to fraction form
    56,037,214.74/77,334,821.86 = 30,919,201.26/x
  3. Step 3: Cross multiply
    56,037,214.74x = 77,334,821.86 × 30,919,201.26
  4. Step 4: Simplify right side
    56,037,214.74x = 2,391,130,921,495,587.50
  5. Step 5: Solve for x
    x = 2,391,130,921,495,587.50/56,037,214.74
  6. Step 6: Final answer
    x = 42,670,409.88

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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.