Home / 160,334,922.60-221,264,765.10-86,996,064.60

Finding the Fourth Proportional to 160,334,922.60, 221,264,765.10 and 86,996,064.60

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Solution

The fourth proportional to 160,334,922.60, 221,264,765.10 and 86,996,064.60 is: 120,055,964.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,334,922.60 : 221,264,765.10 = 86,996,064.60 : x
  2. Step 2: Convert to fraction form
    160,334,922.60/221,264,765.10 = 86,996,064.60/x
  3. Step 3: Cross multiply
    160,334,922.60x = 221,264,765.10 × 86,996,064.60
  4. Step 4: Simplify right side
    160,334,922.60x = 19,249,163,798,343,424
  5. Step 5: Solve for x
    x = 19,249,163,798,343,424/160,334,922.60
  6. Step 6: Final answer
    x = 120,055,964.64

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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.