Home / 210,978,000.02-291,149,640.04-118,158,507.87

Finding the Fourth Proportional to 210,978,000.02, 291,149,640.04 and 118,158,507.87

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Solution

The fourth proportional to 210,978,000.02, 291,149,640.04 and 118,158,507.87 is: 163,058,740.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,978,000.02 : 291,149,640.04 = 118,158,507.87 : x
  2. Step 2: Convert to fraction form
    210,978,000.02/291,149,640.04 = 118,158,507.87/x
  3. Step 3: Cross multiply
    210,978,000.02x = 291,149,640.04 × 118,158,507.87
  4. Step 4: Simplify right side
    210,978,000.02x = 34,401,807,033,718,616
  5. Step 5: Solve for x
    x = 34,401,807,033,718,616/210,978,000.02
  6. Step 6: Final answer
    x = 163,058,740.86

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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.