Home / 114,953,066.80-158,564,385.24-81,924,008.08

Finding the Fourth Proportional to 114,953,066.80, 158,564,385.24 and 81,924,008.08

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Solution

The fourth proportional to 114,953,066.80, 158,564,385.24 and 81,924,008.08 is: 113,004,640.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,953,066.80 : 158,564,385.24 = 81,924,008.08 : x
  2. Step 2: Convert to fraction form
    114,953,066.80/158,564,385.24 = 81,924,008.08/x
  3. Step 3: Cross multiply
    114,953,066.80x = 158,564,385.24 × 81,924,008.08
  4. Step 4: Simplify right side
    114,953,066.80x = 12,990,229,977,601,994
  5. Step 5: Solve for x
    x = 12,990,229,977,601,994/114,953,066.80
  6. Step 6: Final answer
    x = 113,004,640.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.