Home / 384,936,129.60-577,404,194.40-97,721,793.60

Finding the Fourth Proportional to 384,936,129.60, 577,404,194.40 and 97,721,793.60

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Solution

The fourth proportional to 384,936,129.60, 577,404,194.40 and 97,721,793.60 is: 146,582,690.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,936,129.60 : 577,404,194.40 = 97,721,793.60 : x
  2. Step 2: Convert to fraction form
    384,936,129.60/577,404,194.40 = 97,721,793.60/x
  3. Step 3: Cross multiply
    384,936,129.60x = 577,404,194.40 × 97,721,793.60
  4. Step 4: Simplify right side
    384,936,129.60x = 56,424,973,508,931,072
  5. Step 5: Solve for x
    x = 56,424,973,508,931,072/384,936,129.60
  6. Step 6: Final answer
    x = 146,582,690.40

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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.