Home / 100,045,152,782.76-150,076,203,999.40-31,986,026,928.91

Finding the Fourth Proportional to 100,045,152,782.76, 150,076,203,999.40 and 31,986,026,928.91

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Solution

The fourth proportional to 100,045,152,782.76, 150,076,203,999.40 and 31,986,026,928.91 is: 47,981,749,929.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,045,152,782.76 : 150,076,203,999.40 = 31,986,026,928.91 : x
  2. Step 2: Convert to fraction form
    100,045,152,782.76/150,076,203,999.40 = 31,986,026,928.91/x
  3. Step 3: Cross multiply
    100,045,152,782.76x = 150,076,203,999.40 × 31,986,026,928.91
  4. Step 4: Simplify right side
    100,045,152,782.76x = 4,800,341,502,513,699,094,528
  5. Step 5: Solve for x
    x = 4,800,341,502,513,699,094,528/100,045,152,782.76
  6. Step 6: Final answer
    x = 47,981,749,929.83

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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.