Home / 104,328,129.40-156,492,194.10-65,528,999.80

Finding the Fourth Proportional to 104,328,129.40, 156,492,194.10 and 65,528,999.80

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Solution

The fourth proportional to 104,328,129.40, 156,492,194.10 and 65,528,999.80 is: 98,293,499.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,328,129.40 : 156,492,194.10 = 65,528,999.80 : x
  2. Step 2: Convert to fraction form
    104,328,129.40/156,492,194.10 = 65,528,999.80/x
  3. Step 3: Cross multiply
    104,328,129.40x = 156,492,194.10 × 65,528,999.80
  4. Step 4: Simplify right side
    104,328,129.40x = 10,254,776,955,880,460
  5. Step 5: Solve for x
    x = 10,254,776,955,880,460/104,328,129.40
  6. Step 6: Final answer
    x = 98,293,499.70

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Similar ratio
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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.