Home / 105,514,295.10-158,271,442.65-87,374,442.30

Finding the Fourth Proportional to 105,514,295.10, 158,271,442.65 and 87,374,442.30

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Solution

The fourth proportional to 105,514,295.10, 158,271,442.65 and 87,374,442.30 is: 131,061,663.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,514,295.10 : 158,271,442.65 = 87,374,442.30 : x
  2. Step 2: Convert to fraction form
    105,514,295.10/158,271,442.65 = 87,374,442.30/x
  3. Step 3: Cross multiply
    105,514,295.10x = 158,271,442.65 × 87,374,442.30
  4. Step 4: Simplify right side
    105,514,295.10x = 13,828,879,033,560,184
  5. Step 5: Solve for x
    x = 13,828,879,033,560,184/105,514,295.10
  6. Step 6: Final answer
    x = 131,061,663.45

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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.