Home / 72,773,853.84-100,426,571.28-41,411,207.70

Finding the Fourth Proportional to 72,773,853.84, 100,426,571.28 and 41,411,207.70

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Solution

The fourth proportional to 72,773,853.84, 100,426,571.28 and 41,411,207.70 is: 57,146,700.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,773,853.84 : 100,426,571.28 = 41,411,207.70 : x
  2. Step 2: Convert to fraction form
    72,773,853.84/100,426,571.28 = 41,411,207.70/x
  3. Step 3: Cross multiply
    72,773,853.84x = 100,426,571.28 × 41,411,207.70
  4. Step 4: Simplify right side
    72,773,853.84x = 4,158,785,601,874,935
  5. Step 5: Solve for x
    x = 4,158,785,601,874,935/72,773,853.84
  6. Step 6: Final answer
    x = 57,146,700.12

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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.