Home / 53,153,607.20-79,730,410.80-52,649,722.40

Finding the Fourth Proportional to 53,153,607.20, 79,730,410.80 and 52,649,722.40

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Solution

The fourth proportional to 53,153,607.20, 79,730,410.80 and 52,649,722.40 is: 78,974,583.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,153,607.20 : 79,730,410.80 = 52,649,722.40 : x
  2. Step 2: Convert to fraction form
    53,153,607.20/79,730,410.80 = 52,649,722.40/x
  3. Step 3: Cross multiply
    53,153,607.20x = 79,730,410.80 × 52,649,722.40
  4. Step 4: Simplify right side
    53,153,607.20x = 4,197,783,995,457,961.50
  5. Step 5: Solve for x
    x = 4,197,783,995,457,961.50/53,153,607.20
  6. Step 6: Final answer
    x = 78,974,583.60

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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.