Home / 130,143,137.47-179,597,877.78-70,604,433.41

Finding the Fourth Proportional to 130,143,137.47, 179,597,877.78 and 70,604,433.41

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Solution

The fourth proportional to 130,143,137.47, 179,597,877.78 and 70,604,433.41 is: 97,434,306.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,143,137.47 : 179,597,877.78 = 70,604,433.41 : x
  2. Step 2: Convert to fraction form
    130,143,137.47/179,597,877.78 = 70,604,433.41/x
  3. Step 3: Cross multiply
    130,143,137.47x = 179,597,877.78 × 70,604,433.41
  4. Step 4: Simplify right side
    130,143,137.47x = 12,680,406,401,662,106
  5. Step 5: Solve for x
    x = 12,680,406,401,662,106/130,143,137.47
  6. Step 6: Final answer
    x = 97,434,306.94

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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.