Home / 145,397,886.80-217,831,409.40-88,597,835.60

Finding the Fourth Proportional to 145,397,886.80, 217,831,409.40 and 88,597,835.60

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Solution

The fourth proportional to 145,397,886.80, 217,831,409.40 and 88,597,835.60 is: 132,735,019.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,397,886.80 : 217,831,409.40 = 88,597,835.60 : x
  2. Step 2: Convert to fraction form
    145,397,886.80/217,831,409.40 = 88,597,835.60/x
  3. Step 3: Cross multiply
    145,397,886.80x = 217,831,409.40 × 88,597,835.60
  4. Step 4: Simplify right side
    145,397,886.80x = 19,299,391,398,537,492
  5. Step 5: Solve for x
    x = 19,299,391,398,537,492/145,397,886.80
  6. Step 6: Final answer
    x = 132,735,019.90

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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.