Home / 51,357,968.91-70,866,431.55-31,230,699.80

Finding the Fourth Proportional to 51,357,968.91, 70,866,431.55 and 31,230,699.80

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Solution

The fourth proportional to 51,357,968.91, 70,866,431.55 and 31,230,699.80 is: 43,093,765.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,357,968.91 : 70,866,431.55 = 31,230,699.80 : x
  2. Step 2: Convert to fraction form
    51,357,968.91/70,866,431.55 = 31,230,699.80/x
  3. Step 3: Cross multiply
    51,357,968.91x = 70,866,431.55 × 31,230,699.80
  4. Step 4: Simplify right side
    51,357,968.91x = 2,213,208,249,280,966.50
  5. Step 5: Solve for x
    x = 2,213,208,249,280,966.50/51,357,968.91
  6. Step 6: Final answer
    x = 43,093,765.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.