Home / 47,480,951.80-71,221,427.70-39,828,201.40

Finding the Fourth Proportional to 47,480,951.80, 71,221,427.70 and 39,828,201.40

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Solution

The fourth proportional to 47,480,951.80, 71,221,427.70 and 39,828,201.40 is: 59,742,302.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,480,951.80 : 71,221,427.70 = 39,828,201.40 : x
  2. Step 2: Convert to fraction form
    47,480,951.80/71,221,427.70 = 39,828,201.40/x
  3. Step 3: Cross multiply
    47,480,951.80x = 71,221,427.70 × 39,828,201.40
  4. Step 4: Simplify right side
    47,480,951.80x = 2,836,621,366,431,139
  5. Step 5: Solve for x
    x = 2,836,621,366,431,139/47,480,951.80
  6. Step 6: Final answer
    x = 59,742,302.10

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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.