Home / 130,170,715.34-179,636,942.25-71,437,184.60

Finding the Fourth Proportional to 130,170,715.34, 179,636,942.25 and 71,437,184.60

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Solution

The fourth proportional to 130,170,715.34, 179,636,942.25 and 71,437,184.60 is: 98,584,058.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,170,715.34 : 179,636,942.25 = 71,437,184.60 : x
  2. Step 2: Convert to fraction form
    130,170,715.34/179,636,942.25 = 71,437,184.60/x
  3. Step 3: Cross multiply
    130,170,715.34x = 179,636,942.25 × 71,437,184.60
  4. Step 4: Simplify right side
    130,170,715.34x = 12,832,757,403,594,604
  5. Step 5: Solve for x
    x = 12,832,757,403,594,604/130,170,715.34
  6. Step 6: Final answer
    x = 98,584,058.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.