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Finding the Fourth Proportional to 169,329,661.60, 253,994,492.40 and 54,325,829.20

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Solution

The fourth proportional to 169,329,661.60, 253,994,492.40 and 54,325,829.20 is: 81,488,743.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,329,661.60 : 253,994,492.40 = 54,325,829.20 : x
  2. Step 2: Convert to fraction form
    169,329,661.60/253,994,492.40 = 54,325,829.20/x
  3. Step 3: Cross multiply
    169,329,661.60x = 253,994,492.40 × 54,325,829.20
  4. Step 4: Simplify right side
    169,329,661.60x = 13,798,461,411,863,100
  5. Step 5: Solve for x
    x = 13,798,461,411,863,100/169,329,661.60
  6. Step 6: Final answer
    x = 81,488,743.80

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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.