Home / 130,349,890.80-195,636,810.60-57,678,505.20

Finding the Fourth Proportional to 130,349,890.80, 195,636,810.60 and 57,678,505.20

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Solution

The fourth proportional to 130,349,890.80, 195,636,810.60 and 57,678,505.20 is: 86,567,305.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,349,890.80 : 195,636,810.60 = 57,678,505.20 : x
  2. Step 2: Convert to fraction form
    130,349,890.80/195,636,810.60 = 57,678,505.20/x
  3. Step 3: Cross multiply
    130,349,890.80x = 195,636,810.60 × 57,678,505.20
  4. Step 4: Simplify right side
    130,349,890.80x = 11,284,038,797,503,516
  5. Step 5: Solve for x
    x = 11,284,038,797,503,516/130,349,890.80
  6. Step 6: Final answer
    x = 86,567,305.34

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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.