Home / 74,931,665.63-112,405,206.37-28,284,443.17

Finding the Fourth Proportional to 74,931,665.63, 112,405,206.37 and 28,284,443.17

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Solution

The fourth proportional to 74,931,665.63, 112,405,206.37 and 28,284,443.17 is: 42,429,574.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,931,665.63 : 112,405,206.37 = 28,284,443.17 : x
  2. Step 2: Convert to fraction form
    74,931,665.63/112,405,206.37 = 28,284,443.17/x
  3. Step 3: Cross multiply
    74,931,665.63x = 112,405,206.37 × 28,284,443.17
  4. Step 4: Simplify right side
    74,931,665.63x = 3,179,318,671,997,596
  5. Step 5: Solve for x
    x = 3,179,318,671,997,596/74,931,665.63
  6. Step 6: Final answer
    x = 42,429,574.27

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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.