Home / 147,626,643.60-221,439,965.40-140,908,179.60

Finding the Fourth Proportional to 147,626,643.60, 221,439,965.40 and 140,908,179.60

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Solution

The fourth proportional to 147,626,643.60, 221,439,965.40 and 140,908,179.60 is: 211,362,269.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,626,643.60 : 221,439,965.40 = 140,908,179.60 : x
  2. Step 2: Convert to fraction form
    147,626,643.60/221,439,965.40 = 140,908,179.60/x
  3. Step 3: Cross multiply
    147,626,643.60x = 221,439,965.40 × 140,908,179.60
  4. Step 4: Simplify right side
    147,626,643.60x = 31,202,702,415,200,984
  5. Step 5: Solve for x
    x = 31,202,702,415,200,984/147,626,643.60
  6. Step 6: Final answer
    x = 211,362,269.40

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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.