Home / 34,785,986.40-52,178,979.60-31,809,916.80

Finding the Fourth Proportional to 34,785,986.40, 52,178,979.60 and 31,809,916.80

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Solution

The fourth proportional to 34,785,986.40, 52,178,979.60 and 31,809,916.80 is: 47,714,875.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,785,986.40 : 52,178,979.60 = 31,809,916.80 : x
  2. Step 2: Convert to fraction form
    34,785,986.40/52,178,979.60 = 31,809,916.80/x
  3. Step 3: Cross multiply
    34,785,986.40x = 52,178,979.60 × 31,809,916.80
  4. Step 4: Simplify right side
    34,785,986.40x = 1,659,808,999,784,897.25
  5. Step 5: Solve for x
    x = 1,659,808,999,784,897.25/34,785,986.40
  6. Step 6: Final answer
    x = 47,714,875.20

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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.