Home / 74,373,039.60-111,559,559.40-51,698,223.60

Finding the Fourth Proportional to 74,373,039.60, 111,559,559.40 and 51,698,223.60

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Solution

The fourth proportional to 74,373,039.60, 111,559,559.40 and 51,698,223.60 is: 77,547,335.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,373,039.60 : 111,559,559.40 = 51,698,223.60 : x
  2. Step 2: Convert to fraction form
    74,373,039.60/111,559,559.40 = 51,698,223.60/x
  3. Step 3: Cross multiply
    74,373,039.60x = 111,559,559.40 × 51,698,223.60
  4. Step 4: Simplify right side
    74,373,039.60x = 5,767,431,046,578,682
  5. Step 5: Solve for x
    x = 5,767,431,046,578,682/74,373,039.60
  6. Step 6: Final answer
    x = 77,547,335.40

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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.