Home / 71,671,211.35-98,903,422.86-42,312,001.37

Finding the Fourth Proportional to 71,671,211.35, 98,903,422.86 and 42,312,001.37

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Solution

The fourth proportional to 71,671,211.35, 98,903,422.86 and 42,312,001.37 is: 58,388,880.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,671,211.35 : 98,903,422.86 = 42,312,001.37 : x
  2. Step 2: Convert to fraction form
    71,671,211.35/98,903,422.86 = 42,312,001.37/x
  3. Step 3: Cross multiply
    71,671,211.35x = 98,903,422.86 × 42,312,001.37
  4. Step 4: Simplify right side
    71,671,211.35x = 4,184,801,763,550,009
  5. Step 5: Solve for x
    x = 4,184,801,763,550,009/71,671,211.35
  6. Step 6: Final answer
    x = 58,388,880.06

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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.