Home / 64,359,928.60-96,514,232.10-21,217,125.40

Finding the Fourth Proportional to 64,359,928.60, 96,514,232.10 and 21,217,125.40

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Solution

The fourth proportional to 64,359,928.60, 96,514,232.10 and 21,217,125.40 is: 31,817,228.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,359,928.60 : 96,514,232.10 = 21,217,125.40 : x
  2. Step 2: Convert to fraction form
    64,359,928.60/96,514,232.10 = 21,217,125.40/x
  3. Step 3: Cross multiply
    64,359,928.60x = 96,514,232.10 × 21,217,125.40
  4. Step 4: Simplify right side
    64,359,928.60x = 2,047,754,565,350,405
  5. Step 5: Solve for x
    x = 2,047,754,565,350,405/64,359,928.60
  6. Step 6: Final answer
    x = 31,817,228.67

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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.