Home / 147,625,618.40-221,438,427.60-120,362,695.10

Finding the Fourth Proportional to 147,625,618.40, 221,438,427.60 and 120,362,695.10

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Solution

The fourth proportional to 147,625,618.40, 221,438,427.60 and 120,362,695.10 is: 180,544,042.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,625,618.40 : 221,438,427.60 = 120,362,695.10 : x
  2. Step 2: Convert to fraction form
    147,625,618.40/221,438,427.60 = 120,362,695.10/x
  3. Step 3: Cross multiply
    147,625,618.40x = 221,438,427.60 × 120,362,695.10
  4. Step 4: Simplify right side
    147,625,618.40x = 26,652,925,944,642,224
  5. Step 5: Solve for x
    x = 26,652,925,944,642,224/147,625,618.40
  6. Step 6: Final answer
    x = 180,544,042.65

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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.