Home / 49,775,828.40-74,663,742.60-39,698,132.40

Finding the Fourth Proportional to 49,775,828.40, 74,663,742.60 and 39,698,132.40

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Solution

The fourth proportional to 49,775,828.40, 74,663,742.60 and 39,698,132.40 is: 59,547,198.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,775,828.40 : 74,663,742.60 = 39,698,132.40 : x
  2. Step 2: Convert to fraction form
    49,775,828.40/74,663,742.60 = 39,698,132.40/x
  3. Step 3: Cross multiply
    49,775,828.40x = 74,663,742.60 × 39,698,132.40
  4. Step 4: Simplify right side
    49,775,828.40x = 2,964,011,139,214,320
  5. Step 5: Solve for x
    x = 2,964,011,139,214,320/49,775,828.40
  6. Step 6: Final answer
    x = 59,547,198.60

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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.