Home / 112,075,430.20-168,113,145.30-39,374,301.40

Finding the Fourth Proportional to 112,075,430.20, 168,113,145.30 and 39,374,301.40

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Solution

The fourth proportional to 112,075,430.20, 168,113,145.30 and 39,374,301.40 is: 59,061,452.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,075,430.20 : 168,113,145.30 = 39,374,301.40 : x
  2. Step 2: Convert to fraction form
    112,075,430.20/168,113,145.30 = 39,374,301.40/x
  3. Step 3: Cross multiply
    112,075,430.20x = 168,113,145.30 × 39,374,301.40
  4. Step 4: Simplify right side
    112,075,430.20x = 6,619,337,652,344,194
  5. Step 5: Solve for x
    x = 6,619,337,652,344,194/112,075,430.20
  6. Step 6: Final answer
    x = 59,061,452.10

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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.