Home / 155,990,186.02-215,490,683.37-124,587,005.23

Finding the Fourth Proportional to 155,990,186.02, 215,490,683.37 and 124,587,005.23

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Solution

The fourth proportional to 155,990,186.02, 215,490,683.37 and 124,587,005.23 is: 172,109,153.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,990,186.02 : 215,490,683.37 = 124,587,005.23 : x
  2. Step 2: Convert to fraction form
    155,990,186.02/215,490,683.37 = 124,587,005.23/x
  3. Step 3: Cross multiply
    155,990,186.02x = 215,490,683.37 × 124,587,005.23
  4. Step 4: Simplify right side
    155,990,186.02x = 26,847,338,896,034,464
  5. Step 5: Solve for x
    x = 26,847,338,896,034,464/155,990,186.02
  6. Step 6: Final answer
    x = 172,109,153.67

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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.