Home / 147,543,603.10-221,315,404.65-143,292,075.10

Finding the Fourth Proportional to 147,543,603.10, 221,315,404.65 and 143,292,075.10

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Solution

The fourth proportional to 147,543,603.10, 221,315,404.65 and 143,292,075.10 is: 214,938,112.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,543,603.10 : 221,315,404.65 = 143,292,075.10 : x
  2. Step 2: Convert to fraction form
    147,543,603.10/221,315,404.65 = 143,292,075.10/x
  3. Step 3: Cross multiply
    147,543,603.10x = 221,315,404.65 × 143,292,075.10
  4. Step 4: Simplify right side
    147,543,603.10x = 31,712,743,583,894,688
  5. Step 5: Solve for x
    x = 31,712,743,583,894,688/147,543,603.10
  6. Step 6: Final answer
    x = 214,938,112.65

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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.