Home / 130,009,149.04-194,957,029.48-49,173,430

Finding the Fourth Proportional to 130,009,149.04, 194,957,029.48 and 49,173,430

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Solution

The fourth proportional to 130,009,149.04, 194,957,029.48 and 49,173,430 is: 73,738,701.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,009,149.04 : 194,957,029.48 = 49,173,430 : x
  2. Step 2: Convert to fraction form
    130,009,149.04/194,957,029.48 = 49,173,430/x
  3. Step 3: Cross multiply
    130,009,149.04x = 194,957,029.48 × 49,173,430
  4. Step 4: Simplify right side
    130,009,149.04x = 9,586,705,842,142,716
  5. Step 5: Solve for x
    x = 9,586,705,842,142,716/130,009,149.04
  6. Step 6: Final answer
    x = 73,738,701.57

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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.