Home / 65,448,020.40-98,172,030.60-47,308,167.60

Finding the Fourth Proportional to 65,448,020.40, 98,172,030.60 and 47,308,167.60

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Solution

The fourth proportional to 65,448,020.40, 98,172,030.60 and 47,308,167.60 is: 70,962,251.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,448,020.40 : 98,172,030.60 = 47,308,167.60 : x
  2. Step 2: Convert to fraction form
    65,448,020.40/98,172,030.60 = 47,308,167.60/x
  3. Step 3: Cross multiply
    65,448,020.40x = 98,172,030.60 × 47,308,167.60
  4. Step 4: Simplify right side
    65,448,020.40x = 4,644,338,877,257,128
  5. Step 5: Solve for x
    x = 4,644,338,877,257,128/65,448,020.40
  6. Step 6: Final answer
    x = 70,962,251.40

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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.