Home / 108,072,840.63-149,140,322.91-58,513,208.25

Finding the Fourth Proportional to 108,072,840.63, 149,140,322.91 and 58,513,208.25

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Solution

The fourth proportional to 108,072,840.63, 149,140,322.91 and 58,513,208.25 is: 80,748,120.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,072,840.63 : 149,140,322.91 = 58,513,208.25 : x
  2. Step 2: Convert to fraction form
    108,072,840.63/149,140,322.91 = 58,513,208.25/x
  3. Step 3: Cross multiply
    108,072,840.63x = 149,140,322.91 × 58,513,208.25
  4. Step 4: Simplify right side
    108,072,840.63x = 8,726,678,772,905,076
  5. Step 5: Solve for x
    x = 8,726,678,772,905,076/108,072,840.63
  6. Step 6: Final answer
    x = 80,748,120.64

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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.