Home / 90,512,844.02-124,920,886.77-50,824,830.14

Finding the Fourth Proportional to 90,512,844.02, 124,920,886.77 and 50,824,830.14

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Solution

The fourth proportional to 90,512,844.02, 124,920,886.77 and 50,824,830.14 is: 70,145,656.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,512,844.02 : 124,920,886.77 = 50,824,830.14 : x
  2. Step 2: Convert to fraction form
    90,512,844.02/124,920,886.77 = 50,824,830.14/x
  3. Step 3: Cross multiply
    90,512,844.02x = 124,920,886.77 × 50,824,830.14
  4. Step 4: Simplify right side
    90,512,844.02x = 6,349,082,851,023,423
  5. Step 5: Solve for x
    x = 6,349,082,851,023,423/90,512,844.02
  6. Step 6: Final answer
    x = 70,145,656.34

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1.5x scale

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.