Home / 147,543,605.60-221,315,408.40-143,292,077.60

Finding the Fourth Proportional to 147,543,605.60, 221,315,408.40 and 143,292,077.60

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Solution

The fourth proportional to 147,543,605.60, 221,315,408.40 and 143,292,077.60 is: 214,938,116.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,543,605.60 : 221,315,408.40 = 143,292,077.60 : x
  2. Step 2: Convert to fraction form
    147,543,605.60/221,315,408.40 = 143,292,077.60/x
  3. Step 3: Cross multiply
    147,543,605.60x = 221,315,408.40 × 143,292,077.60
  4. Step 4: Simplify right side
    147,543,605.60x = 31,712,744,674,528,492
  5. Step 5: Solve for x
    x = 31,712,744,674,528,492/147,543,605.60
  6. Step 6: Final answer
    x = 214,938,116.40

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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.