Home / 147,359,928.80-221,039,893.20-144,490,147.40

Finding the Fourth Proportional to 147,359,928.80, 221,039,893.20 and 144,490,147.40

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Solution

The fourth proportional to 147,359,928.80, 221,039,893.20 and 144,490,147.40 is: 216,735,221.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,359,928.80 : 221,039,893.20 = 144,490,147.40 : x
  2. Step 2: Convert to fraction form
    147,359,928.80/221,039,893.20 = 144,490,147.40/x
  3. Step 3: Cross multiply
    147,359,928.80x = 221,039,893.20 × 144,490,147.40
  4. Step 4: Simplify right side
    147,359,928.80x = 31,938,086,749,748,256
  5. Step 5: Solve for x
    x = 31,938,086,749,748,256/147,359,928.80
  6. Step 6: Final answer
    x = 216,735,221.10

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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.