Home / 209,300,031-288,831,221.55-116,480,514.24

Finding the Fourth Proportional to 209,300,031, 288,831,221.55 and 116,480,514.24

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Solution

The fourth proportional to 209,300,031, 288,831,221.55 and 116,480,514.24 is: 160,741,539.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,300,031 : 288,831,221.55 = 116,480,514.24 : x
  2. Step 2: Convert to fraction form
    209,300,031/288,831,221.55 = 116,480,514.24/x
  3. Step 3: Cross multiply
    209,300,031x = 288,831,221.55 × 116,480,514.24
  4. Step 4: Simplify right side
    209,300,031x = 33,643,209,214,711,368
  5. Step 5: Solve for x
    x = 33,643,209,214,711,368/209,300,031
  6. Step 6: Final answer
    x = 160,741,539.57

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1.5x scale

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.