Home / 64,299,219.20-96,448,828.80-18,865,606.40

Finding the Fourth Proportional to 64,299,219.20, 96,448,828.80 and 18,865,606.40

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Solution

The fourth proportional to 64,299,219.20, 96,448,828.80 and 18,865,606.40 is: 28,298,409.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,299,219.20 : 96,448,828.80 = 18,865,606.40 : x
  2. Step 2: Convert to fraction form
    64,299,219.20/96,448,828.80 = 18,865,606.40/x
  3. Step 3: Cross multiply
    64,299,219.20x = 96,448,828.80 × 18,865,606.40
  4. Step 4: Simplify right side
    64,299,219.20x = 1,819,565,641,881,784
  5. Step 5: Solve for x
    x = 1,819,565,641,881,784/64,299,219.20
  6. Step 6: Final answer
    x = 28,298,409.60

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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.