Home / 78,281,433.37-108,030,849.25-46,909,142.54

Finding the Fourth Proportional to 78,281,433.37, 108,030,849.25 and 46,909,142.54

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Solution

The fourth proportional to 78,281,433.37, 108,030,849.25 and 46,909,142.54 is: 64,736,097.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,281,433.37 : 108,030,849.25 = 46,909,142.54 : x
  2. Step 2: Convert to fraction form
    78,281,433.37/108,030,849.25 = 46,909,142.54/x
  3. Step 3: Cross multiply
    78,281,433.37x = 108,030,849.25 × 46,909,142.54
  4. Step 4: Simplify right side
    78,281,433.37x = 5,067,634,506,185,502
  5. Step 5: Solve for x
    x = 5,067,634,506,185,502/78,281,433.37
  6. Step 6: Final answer
    x = 64,736,097.54

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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.