Home / 57,118,390.20-78,824,748.48-31,014,008.28

Finding the Fourth Proportional to 57,118,390.20, 78,824,748.48 and 31,014,008.28

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Solution

The fourth proportional to 57,118,390.20, 78,824,748.48 and 31,014,008.28 is: 42,800,075.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,118,390.20 : 78,824,748.48 = 31,014,008.28 : x
  2. Step 2: Convert to fraction form
    57,118,390.20/78,824,748.48 = 31,014,008.28/x
  3. Step 3: Cross multiply
    57,118,390.20x = 78,824,748.48 × 31,014,008.28
  4. Step 4: Simplify right side
    57,118,390.20x = 2,444,671,402,027,637.50
  5. Step 5: Solve for x
    x = 2,444,671,402,027,637.50/57,118,390.20
  6. Step 6: Final answer
    x = 42,800,075.31

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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.