Home / 72,827,569.60-109,241,354.40-38,815,345.60

Finding the Fourth Proportional to 72,827,569.60, 109,241,354.40 and 38,815,345.60

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Solution

The fourth proportional to 72,827,569.60, 109,241,354.40 and 38,815,345.60 is: 58,223,018.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,827,569.60 : 109,241,354.40 = 38,815,345.60 : x
  2. Step 2: Convert to fraction form
    72,827,569.60/109,241,354.40 = 38,815,345.60/x
  3. Step 3: Cross multiply
    72,827,569.60x = 109,241,354.40 × 38,815,345.60
  4. Step 4: Simplify right side
    72,827,569.60x = 4,240,240,924,848,081
  5. Step 5: Solve for x
    x = 4,240,240,924,848,081/72,827,569.60
  6. Step 6: Final answer
    x = 58,223,018.40

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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.