Home / 386,237,138.40-579,458,350.80-167,793,746.40

Finding the Fourth Proportional to 386,237,138.40, 579,458,350.80 and 167,793,746.40

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Solution

The fourth proportional to 386,237,138.40, 579,458,350.80 and 167,793,746.40 is: 251,735,211.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,237,138.40 : 579,458,350.80 = 167,793,746.40 : x
  2. Step 2: Convert to fraction form
    386,237,138.40/579,458,350.80 = 167,793,746.40/x
  3. Step 3: Cross multiply
    386,237,138.40x = 579,458,350.80 × 167,793,746.40
  4. Step 4: Simplify right side
    386,237,138.40x = 97,229,487,563,497,440
  5. Step 5: Solve for x
    x = 97,229,487,563,497,440/386,237,138.40
  6. Step 6: Final answer
    x = 251,735,211.08

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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.