Home / 65,193,939.40-97,804,031.10-19,135,719.40

Finding the Fourth Proportional to 65,193,939.40, 97,804,031.10 and 19,135,719.40

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Solution

The fourth proportional to 65,193,939.40, 97,804,031.10 and 19,135,719.40 is: 28,707,430.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,193,939.40 : 97,804,031.10 = 19,135,719.40 : x
  2. Step 2: Convert to fraction form
    65,193,939.40/97,804,031.10 = 19,135,719.40/x
  3. Step 3: Cross multiply
    65,193,939.40x = 97,804,031.10 × 19,135,719.40
  4. Step 4: Simplify right side
    65,193,939.40x = 1,871,550,495,318,473
  5. Step 5: Solve for x
    x = 1,871,550,495,318,473/65,193,939.40
  6. Step 6: Final answer
    x = 28,707,430.67

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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.