Home / 147,492,077.20-221,238,115.80-39,797,587.60

Finding the Fourth Proportional to 147,492,077.20, 221,238,115.80 and 39,797,587.60

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Solution

The fourth proportional to 147,492,077.20, 221,238,115.80 and 39,797,587.60 is: 59,696,381.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,492,077.20 : 221,238,115.80 = 39,797,587.60 : x
  2. Step 2: Convert to fraction form
    147,492,077.20/221,238,115.80 = 39,797,587.60/x
  3. Step 3: Cross multiply
    147,492,077.20x = 221,238,115.80 × 39,797,587.60
  4. Step 4: Simplify right side
    147,492,077.20x = 8,804,743,294,009,445
  5. Step 5: Solve for x
    x = 8,804,743,294,009,445/147,492,077.20
  6. Step 6: Final answer
    x = 59,696,381.40

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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.