Home / 125,976,376.13-189,038,965.94-53,188,445.30

Finding the Fourth Proportional to 125,976,376.13, 189,038,965.94 and 53,188,445.30

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Solution

The fourth proportional to 125,976,376.13, 189,038,965.94 and 53,188,445.30 is: 79,814,081.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,976,376.13 : 189,038,965.94 = 53,188,445.30 : x
  2. Step 2: Convert to fraction form
    125,976,376.13/189,038,965.94 = 53,188,445.30/x
  3. Step 3: Cross multiply
    125,976,376.13x = 189,038,965.94 × 53,188,445.30
  4. Step 4: Simplify right side
    125,976,376.13x = 10,054,688,698,257,116
  5. Step 5: Solve for x
    x = 10,054,688,698,257,116/125,976,376.13
  6. Step 6: Final answer
    x = 79,814,081.08

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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.