Home / 147,543,603.60-221,315,405.40-143,292,075.60

Finding the Fourth Proportional to 147,543,603.60, 221,315,405.40 and 143,292,075.60

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Solution

The fourth proportional to 147,543,603.60, 221,315,405.40 and 143,292,075.60 is: 214,938,113.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,543,603.60 : 221,315,405.40 = 143,292,075.60 : x
  2. Step 2: Convert to fraction form
    147,543,603.60/221,315,405.40 = 143,292,075.60/x
  3. Step 3: Cross multiply
    147,543,603.60x = 221,315,405.40 × 143,292,075.60
  4. Step 4: Simplify right side
    147,543,603.60x = 31,712,743,802,021,448
  5. Step 5: Solve for x
    x = 31,712,743,802,021,448/147,543,603.60
  6. Step 6: Final answer
    x = 214,938,113.40

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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.