Home / 123,959,261,312.20-185,938,891,968.30-40,121,467,492.60

Finding the Fourth Proportional to 123,959,261,312.20, 185,938,891,968.30 and 40,121,467,492.60

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Solution

The fourth proportional to 123,959,261,312.20, 185,938,891,968.30 and 40,121,467,492.60 is: 60,182,201,238.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,959,261,312.20 : 185,938,891,968.30 = 40,121,467,492.60 : x
  2. Step 2: Convert to fraction form
    123,959,261,312.20/185,938,891,968.30 = 40,121,467,492.60/x
  3. Step 3: Cross multiply
    123,959,261,312.20x = 185,938,891,968.30 × 40,121,467,492.60
  4. Step 4: Simplify right side
    123,959,261,312.20x = 7,460,141,209,716,210,532,352
  5. Step 5: Solve for x
    x = 7,460,141,209,716,210,532,352/123,959,261,312.20
  6. Step 6: Final answer
    x = 60,182,201,238.90

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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.