Home / 49,903,412.40-74,880,001.80-28,354,561.20

Finding the Fourth Proportional to 49,903,412.40, 74,880,001.80 and 28,354,561.20

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Solution

The fourth proportional to 49,903,412.40, 74,880,001.80 and 28,354,561.20 is: 42,545,980.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,903,412.40 : 74,880,001.80 = 28,354,561.20 : x
  2. Step 2: Convert to fraction form
    49,903,412.40/74,880,001.80 = 28,354,561.20/x
  3. Step 3: Cross multiply
    49,903,412.40x = 74,880,001.80 × 28,354,561.20
  4. Step 4: Simplify right side
    49,903,412.40x = 2,123,189,593,694,210
  5. Step 5: Solve for x
    x = 2,123,189,593,694,210/49,903,412.40
  6. Step 6: Final answer
    x = 42,545,980.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.