Home / 74,880,113.80-112,320,170.70-42,519,512.20

Finding the Fourth Proportional to 74,880,113.80, 112,320,170.70 and 42,519,512.20

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Solution

The fourth proportional to 74,880,113.80, 112,320,170.70 and 42,519,512.20 is: 63,779,268.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,880,113.80 : 112,320,170.70 = 42,519,512.20 : x
  2. Step 2: Convert to fraction form
    74,880,113.80/112,320,170.70 = 42,519,512.20/x
  3. Step 3: Cross multiply
    74,880,113.80x = 112,320,170.70 × 42,519,512.20
  4. Step 4: Simplify right side
    74,880,113.80x = 4,775,798,868,384,733
  5. Step 5: Solve for x
    x = 4,775,798,868,384,733/74,880,113.80
  6. Step 6: Final answer
    x = 63,779,268.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.