Home / 130,249,729.44-195,119,174.37-75,547,391.94

Finding the Fourth Proportional to 130,249,729.44, 195,119,174.37 and 75,547,391.94

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Solution

The fourth proportional to 130,249,729.44, 195,119,174.37 and 75,547,391.94 is: 113,172,939.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,249,729.44 : 195,119,174.37 = 75,547,391.94 : x
  2. Step 2: Convert to fraction form
    130,249,729.44/195,119,174.37 = 75,547,391.94/x
  3. Step 3: Cross multiply
    130,249,729.44x = 195,119,174.37 × 75,547,391.94
  4. Step 4: Simplify right side
    130,249,729.44x = 14,740,744,741,139,592
  5. Step 5: Solve for x
    x = 14,740,744,741,139,592/130,249,729.44
  6. Step 6: Final answer
    x = 113,172,939.43

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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.