Home / 56,366,908.64-77,785,895.60-30,612,796.64

Finding the Fourth Proportional to 56,366,908.64, 77,785,895.60 and 30,612,796.64

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Solution

The fourth proportional to 56,366,908.64, 77,785,895.60 and 30,612,796.64 is: 42,245,421.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,366,908.64 : 77,785,895.60 = 30,612,796.64 : x
  2. Step 2: Convert to fraction form
    56,366,908.64/77,785,895.60 = 30,612,796.64/x
  3. Step 3: Cross multiply
    56,366,908.64x = 77,785,895.60 × 30,612,796.64
  4. Step 4: Simplify right side
    56,366,908.64x = 2,381,243,803,463,070.50
  5. Step 5: Solve for x
    x = 2,381,243,803,463,070.50/56,366,908.64
  6. Step 6: Final answer
    x = 42,245,421.31

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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.