Home / 312,094,006.16-430,689,720.65-172,873,736.01

Finding the Fourth Proportional to 312,094,006.16, 430,689,720.65 and 172,873,736.01

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Solution

The fourth proportional to 312,094,006.16, 430,689,720.65 and 172,873,736.01 is: 238,565,751.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,094,006.16 : 430,689,720.65 = 172,873,736.01 : x
  2. Step 2: Convert to fraction form
    312,094,006.16/430,689,720.65 = 172,873,736.01/x
  3. Step 3: Cross multiply
    312,094,006.16x = 430,689,720.65 × 172,873,736.01
  4. Step 4: Simplify right side
    312,094,006.16x = 74,454,941,069,004,368
  5. Step 5: Solve for x
    x = 74,454,941,069,004,368/312,094,006.16
  6. Step 6: Final answer
    x = 238,565,751.35

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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.