Home / 53,280,047.40-79,920,071.10-19,204,837.80

Finding the Fourth Proportional to 53,280,047.40, 79,920,071.10 and 19,204,837.80

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Solution

The fourth proportional to 53,280,047.40, 79,920,071.10 and 19,204,837.80 is: 28,807,256.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,280,047.40 : 79,920,071.10 = 19,204,837.80 : x
  2. Step 2: Convert to fraction form
    53,280,047.40/79,920,071.10 = 19,204,837.80/x
  3. Step 3: Cross multiply
    53,280,047.40x = 79,920,071.10 × 19,204,837.80
  4. Step 4: Simplify right side
    53,280,047.40x = 1,534,852,002,439,967.50
  5. Step 5: Solve for x
    x = 1,534,852,002,439,967.50/53,280,047.40
  6. Step 6: Final answer
    x = 28,807,256.70

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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.