Home / 49,596,420.80-74,261,920.80-31,547,806.40

Finding the Fourth Proportional to 49,596,420.80, 74,261,920.80 and 31,547,806.40

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Solution

The fourth proportional to 49,596,420.80, 74,261,920.80 and 31,547,806.40 is: 47,237,293.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,596,420.80 : 74,261,920.80 = 31,547,806.40 : x
  2. Step 2: Convert to fraction form
    49,596,420.80/74,261,920.80 = 31,547,806.40/x
  3. Step 3: Cross multiply
    49,596,420.80x = 74,261,920.80 × 31,547,806.40
  4. Step 4: Simplify right side
    49,596,420.80x = 2,342,800,700,290,533
  5. Step 5: Solve for x
    x = 2,342,800,700,290,533/49,596,420.80
  6. Step 6: Final answer
    x = 47,237,293.79

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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.