Home / 127,492,712.60-191,239,068.90-41,239,838.30

Finding the Fourth Proportional to 127,492,712.60, 191,239,068.90 and 41,239,838.30

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Solution

The fourth proportional to 127,492,712.60, 191,239,068.90 and 41,239,838.30 is: 61,859,757.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,492,712.60 : 191,239,068.90 = 41,239,838.30 : x
  2. Step 2: Convert to fraction form
    127,492,712.60/191,239,068.90 = 41,239,838.30/x
  3. Step 3: Cross multiply
    127,492,712.60x = 191,239,068.90 × 41,239,838.30
  4. Step 4: Simplify right side
    127,492,712.60x = 7,886,668,278,078,559
  5. Step 5: Solve for x
    x = 7,886,668,278,078,559/127,492,712.60
  6. Step 6: Final answer
    x = 61,859,757.45

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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.