Home / 85,275,871.34-117,681,054.89-46,117,647.28

Finding the Fourth Proportional to 85,275,871.34, 117,681,054.89 and 46,117,647.28

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Solution

The fourth proportional to 85,275,871.34, 117,681,054.89 and 46,117,647.28 is: 63,642,543.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,275,871.34 : 117,681,054.89 = 46,117,647.28 : x
  2. Step 2: Convert to fraction form
    85,275,871.34/117,681,054.89 = 46,117,647.28/x
  3. Step 3: Cross multiply
    85,275,871.34x = 117,681,054.89 × 46,117,647.28
  4. Step 4: Simplify right side
    85,275,871.34x = 5,427,173,380,430,549
  5. Step 5: Solve for x
    x = 5,427,173,380,430,549/85,275,871.34
  6. Step 6: Final answer
    x = 63,642,543.84

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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.