Home / 86,402,124.81-129,603,311.95-35,284,143.62

Finding the Fourth Proportional to 86,402,124.81, 129,603,311.95 and 35,284,143.62

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Solution

The fourth proportional to 86,402,124.81, 129,603,311.95 and 35,284,143.62 is: 52,926,266.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,402,124.81 : 129,603,311.95 = 35,284,143.62 : x
  2. Step 2: Convert to fraction form
    86,402,124.81/129,603,311.95 = 35,284,143.62/x
  3. Step 3: Cross multiply
    86,402,124.81x = 129,603,311.95 × 35,284,143.62
  4. Step 4: Simplify right side
    86,402,124.81x = 4,572,941,872,633,467
  5. Step 5: Solve for x
    x = 4,572,941,872,633,467/86,402,124.81
  6. Step 6: Final answer
    x = 52,926,266.37

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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.