Home / 163,704,051.10-245,556,076.65-112,047,985.90

Finding the Fourth Proportional to 163,704,051.10, 245,556,076.65 and 112,047,985.90

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Solution

The fourth proportional to 163,704,051.10, 245,556,076.65 and 112,047,985.90 is: 168,071,978.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,704,051.10 : 245,556,076.65 = 112,047,985.90 : x
  2. Step 2: Convert to fraction form
    163,704,051.10/245,556,076.65 = 112,047,985.90/x
  3. Step 3: Cross multiply
    163,704,051.10x = 245,556,076.65 × 112,047,985.90
  4. Step 4: Simplify right side
    163,704,051.10x = 27,514,063,814,138,520
  5. Step 5: Solve for x
    x = 27,514,063,814,138,520/163,704,051.10
  6. Step 6: Final answer
    x = 168,071,978.85

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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.