Home / 268,298,466.40-370,227,452.88-155,248,417.76

Finding the Fourth Proportional to 268,298,466.40, 370,227,452.88 and 155,248,417.76

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Solution

The fourth proportional to 268,298,466.40, 370,227,452.88 and 155,248,417.76 is: 214,228,679.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,298,466.40 : 370,227,452.88 = 155,248,417.76 : x
  2. Step 2: Convert to fraction form
    268,298,466.40/370,227,452.88 = 155,248,417.76/x
  3. Step 3: Cross multiply
    268,298,466.40x = 370,227,452.88 × 155,248,417.76
  4. Step 4: Simplify right side
    268,298,466.40x = 57,477,226,270,934,952
  5. Step 5: Solve for x
    x = 57,477,226,270,934,952/268,298,466.40
  6. Step 6: Final answer
    x = 214,228,679.88

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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.