Home / 120,348,037.95-166,080,955.28-65,343,894.45

Finding the Fourth Proportional to 120,348,037.95, 166,080,955.28 and 65,343,894.45

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Solution

The fourth proportional to 120,348,037.95, 166,080,955.28 and 65,343,894.45 is: 90,174,934.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,348,037.95 : 166,080,955.28 = 65,343,894.45 : x
  2. Step 2: Convert to fraction form
    120,348,037.95/166,080,955.28 = 65,343,894.45/x
  3. Step 3: Cross multiply
    120,348,037.95x = 166,080,955.28 × 65,343,894.45
  4. Step 4: Simplify right side
    120,348,037.95x = 10,852,376,411,644,772
  5. Step 5: Solve for x
    x = 10,852,376,411,644,772/120,348,037.95
  6. Step 6: Final answer
    x = 90,174,934.27

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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.