Home / 104,403,918.80-156,605,878.20-102,612,328.40

Finding the Fourth Proportional to 104,403,918.80, 156,605,878.20 and 102,612,328.40

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Solution

The fourth proportional to 104,403,918.80, 156,605,878.20 and 102,612,328.40 is: 153,918,492.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,403,918.80 : 156,605,878.20 = 102,612,328.40 : x
  2. Step 2: Convert to fraction form
    104,403,918.80/156,605,878.20 = 102,612,328.40/x
  3. Step 3: Cross multiply
    104,403,918.80x = 156,605,878.20 × 102,612,328.40
  4. Step 4: Simplify right side
    104,403,918.80x = 16,069,693,803,228,800
  5. Step 5: Solve for x
    x = 16,069,693,803,228,800/104,403,918.80
  6. Step 6: Final answer
    x = 153,918,492.60

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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.