Home / 112,328,486.30-168,492,729.45-99,573,902.30

Finding the Fourth Proportional to 112,328,486.30, 168,492,729.45 and 99,573,902.30

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Solution

The fourth proportional to 112,328,486.30, 168,492,729.45 and 99,573,902.30 is: 149,360,853.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,328,486.30 : 168,492,729.45 = 99,573,902.30 : x
  2. Step 2: Convert to fraction form
    112,328,486.30/168,492,729.45 = 99,573,902.30/x
  3. Step 3: Cross multiply
    112,328,486.30x = 168,492,729.45 × 99,573,902.30
  4. Step 4: Simplify right side
    112,328,486.30x = 16,777,478,580,514,632
  5. Step 5: Solve for x
    x = 16,777,478,580,514,632/112,328,486.30
  6. Step 6: Final answer
    x = 149,360,853.45

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1.5x scale

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.