Home / 125,730,626.40-188,811,140.40-68,334,998.40

Finding the Fourth Proportional to 125,730,626.40, 188,811,140.40 and 68,334,998.40

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Solution

The fourth proportional to 125,730,626.40, 188,811,140.40 and 68,334,998.40 is: 102,619,459.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,730,626.40 : 188,811,140.40 = 68,334,998.40 : x
  2. Step 2: Convert to fraction form
    125,730,626.40/188,811,140.40 = 68,334,998.40/x
  3. Step 3: Cross multiply
    125,730,626.40x = 188,811,140.40 × 68,334,998.40
  4. Step 4: Simplify right side
    125,730,626.40x = 12,902,408,977,136,176
  5. Step 5: Solve for x
    x = 12,902,408,977,136,176/125,730,626.40
  6. Step 6: Final answer
    x = 102,619,459.92

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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.