Home / 55,996,365.25-77,271,038.09-31,215,455.95

Finding the Fourth Proportional to 55,996,365.25, 77,271,038.09 and 31,215,455.95

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Solution

The fourth proportional to 55,996,365.25, 77,271,038.09 and 31,215,455.95 is: 43,075,129.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,996,365.25 : 77,271,038.09 = 31,215,455.95 : x
  2. Step 2: Convert to fraction form
    55,996,365.25/77,271,038.09 = 31,215,455.95/x
  3. Step 3: Cross multiply
    55,996,365.25x = 77,271,038.09 × 31,215,455.95
  4. Step 4: Simplify right side
    55,996,365.25x = 2,412,050,685,709,167
  5. Step 5: Solve for x
    x = 2,412,050,685,709,167/55,996,365.25
  6. Step 6: Final answer
    x = 43,075,129.52

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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.