Home / 125,708,409.08-173,492,706.77-76,147,328.60

Finding the Fourth Proportional to 125,708,409.08, 173,492,706.77 and 76,147,328.60

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Solution

The fourth proportional to 125,708,409.08, 173,492,706.77 and 76,147,328.60 is: 105,092,461.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,708,409.08 : 173,492,706.77 = 76,147,328.60 : x
  2. Step 2: Convert to fraction form
    125,708,409.08/173,492,706.77 = 76,147,328.60/x
  3. Step 3: Cross multiply
    125,708,409.08x = 173,492,706.77 × 76,147,328.60
  4. Step 4: Simplify right side
    125,708,409.08x = 13,211,006,150,870,434
  5. Step 5: Solve for x
    x = 13,211,006,150,870,434/125,708,409.08
  6. Step 6: Final answer
    x = 105,092,461.58

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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.