Home / 56,699,483.12-78,240,264.54-31,579,675.88

Finding the Fourth Proportional to 56,699,483.12, 78,240,264.54 and 31,579,675.88

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Solution

The fourth proportional to 56,699,483.12, 78,240,264.54 and 31,579,675.88 is: 43,577,155.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,699,483.12 : 78,240,264.54 = 31,579,675.88 : x
  2. Step 2: Convert to fraction form
    56,699,483.12/78,240,264.54 = 31,579,675.88/x
  3. Step 3: Cross multiply
    56,699,483.12x = 78,240,264.54 × 31,579,675.88
  4. Step 4: Simplify right side
    56,699,483.12x = 2,470,802,194,938,657.50
  5. Step 5: Solve for x
    x = 2,470,802,194,938,657.50/56,699,483.12
  6. Step 6: Final answer
    x = 43,577,155.54

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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.