Home / 212,104,980.15-318,203,264.09-64,564,077.34

Finding the Fourth Proportional to 212,104,980.15, 318,203,264.09 and 64,564,077.34

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Solution

The fourth proportional to 212,104,980.15, 318,203,264.09 and 64,564,077.34 is: 96,860,055.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,104,980.15 : 318,203,264.09 = 64,564,077.34 : x
  2. Step 2: Convert to fraction form
    212,104,980.15/318,203,264.09 = 64,564,077.34/x
  3. Step 3: Cross multiply
    212,104,980.15x = 318,203,264.09 × 64,564,077.34
  4. Step 4: Simplify right side
    212,104,980.15x = 20,544,500,152,547,204
  5. Step 5: Solve for x
    x = 20,544,500,152,547,204/212,104,980.15
  6. Step 6: Final answer
    x = 96,860,055.52

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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.