Home / 124,426,406.40-186,639,609.60-56,271,321.60

Finding the Fourth Proportional to 124,426,406.40, 186,639,609.60 and 56,271,321.60

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Solution

The fourth proportional to 124,426,406.40, 186,639,609.60 and 56,271,321.60 is: 84,406,982.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,426,406.40 : 186,639,609.60 = 56,271,321.60 : x
  2. Step 2: Convert to fraction form
    124,426,406.40/186,639,609.60 = 56,271,321.60/x
  3. Step 3: Cross multiply
    124,426,406.40x = 186,639,609.60 × 56,271,321.60
  4. Step 4: Simplify right side
    124,426,406.40x = 10,502,457,495,100,048
  5. Step 5: Solve for x
    x = 10,502,457,495,100,048/124,426,406.40
  6. Step 6: Final answer
    x = 84,406,982.40

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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.