Home / 56,907,952-78,532,977.60-31,153,840

Finding the Fourth Proportional to 56,907,952, 78,532,977.60 and 31,153,840

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Solution

The fourth proportional to 56,907,952, 78,532,977.60 and 31,153,840 is: 42,992,301.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,907,952 : 78,532,977.60 = 31,153,840 : x
  2. Step 2: Convert to fraction form
    56,907,952/78,532,977.60 = 31,153,840/x
  3. Step 3: Cross multiply
    56,907,952x = 78,532,977.60 × 31,153,840
  4. Step 4: Simplify right side
    56,907,952x = 2,446,603,818,873,984
  5. Step 5: Solve for x
    x = 2,446,603,818,873,984/56,907,952
  6. Step 6: Final answer
    x = 42,992,301.30

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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.