Home / 78,411,619.84-108,192,178.56-45,810,273.28

Finding the Fourth Proportional to 78,411,619.84, 108,192,178.56 and 45,810,273.28

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Solution

The fourth proportional to 78,411,619.84, 108,192,178.56 and 45,810,273.28 is: 63,208,913.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,411,619.84 : 108,192,178.56 = 45,810,273.28 : x
  2. Step 2: Convert to fraction form
    78,411,619.84/108,192,178.56 = 45,810,273.28/x
  3. Step 3: Cross multiply
    78,411,619.84x = 108,192,178.56 × 45,810,273.28
  4. Step 4: Simplify right side
    78,411,619.84x = 4,956,313,266,592,157
  5. Step 5: Solve for x
    x = 4,956,313,266,592,157/78,411,619.84
  6. Step 6: Final answer
    x = 63,208,913.13

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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.