Home / 390,094,060.30-585,078,802.96-113,680,618.35

Finding the Fourth Proportional to 390,094,060.30, 585,078,802.96 and 113,680,618.35

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Solution

The fourth proportional to 390,094,060.30, 585,078,802.96 and 113,680,618.35 is: 170,502,775.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    390,094,060.30 : 585,078,802.96 = 113,680,618.35 : x
  2. Step 2: Convert to fraction form
    390,094,060.30/585,078,802.96 = 113,680,618.35/x
  3. Step 3: Cross multiply
    390,094,060.30x = 585,078,802.96 × 113,680,618.35
  4. Step 4: Simplify right side
    390,094,060.30x = 66,512,120,103,402,208
  5. Step 5: Solve for x
    x = 66,512,120,103,402,208/390,094,060.30
  6. Step 6: Final answer
    x = 170,502,775.80

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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.