Home / 56,430,071.47-77,874,305.61-42,276,179.26

Finding the Fourth Proportional to 56,430,071.47, 77,874,305.61 and 42,276,179.26

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Solution

The fourth proportional to 56,430,071.47, 77,874,305.61 and 42,276,179.26 is: 58,341,731.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,430,071.47 : 77,874,305.61 = 42,276,179.26 : x
  2. Step 2: Convert to fraction form
    56,430,071.47/77,874,305.61 = 42,276,179.26/x
  3. Step 3: Cross multiply
    56,430,071.47x = 77,874,305.61 × 42,276,179.26
  4. Step 4: Simplify right side
    56,430,071.47x = 3,292,228,103,716,383.50
  5. Step 5: Solve for x
    x = 3,292,228,103,716,383.50/56,430,071.47
  6. Step 6: Final answer
    x = 58,341,731.95

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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.