Home / 76,841,274.32-106,043,487.80-42,033,168.16

Finding the Fourth Proportional to 76,841,274.32, 106,043,487.80 and 42,033,168.16

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Solution

The fourth proportional to 76,841,274.32, 106,043,487.80 and 42,033,168.16 is: 58,007,155.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,841,274.32 : 106,043,487.80 = 42,033,168.16 : x
  2. Step 2: Convert to fraction form
    76,841,274.32/106,043,487.80 = 42,033,168.16/x
  3. Step 3: Cross multiply
    76,841,274.32x = 106,043,487.80 × 42,033,168.16
  4. Step 4: Simplify right side
    76,841,274.32x = 4,457,343,754,970,308
  5. Step 5: Solve for x
    x = 4,457,343,754,970,308/76,841,274.32
  6. Step 6: Final answer
    x = 58,007,155.59

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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.