Home / 172,047,590.40-258,071,385.60-117,547,852.80

Finding the Fourth Proportional to 172,047,590.40, 258,071,385.60 and 117,547,852.80

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Solution

The fourth proportional to 172,047,590.40, 258,071,385.60 and 117,547,852.80 is: 176,321,779.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,047,590.40 : 258,071,385.60 = 117,547,852.80 : x
  2. Step 2: Convert to fraction form
    172,047,590.40/258,071,385.60 = 117,547,852.80/x
  3. Step 3: Cross multiply
    172,047,590.40x = 258,071,385.60 × 117,547,852.80
  4. Step 4: Simplify right side
    172,047,590.40x = 30,335,737,246,400,840
  5. Step 5: Solve for x
    x = 30,335,737,246,400,840/172,047,590.40
  6. Step 6: Final answer
    x = 176,321,779.20

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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.