Home / 145,165,881.60-217,748,822.40-109,334,073.60

Finding the Fourth Proportional to 145,165,881.60, 217,748,822.40 and 109,334,073.60

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Solution

The fourth proportional to 145,165,881.60, 217,748,822.40 and 109,334,073.60 is: 164,001,110.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,165,881.60 : 217,748,822.40 = 109,334,073.60 : x
  2. Step 2: Convert to fraction form
    145,165,881.60/217,748,822.40 = 109,334,073.60/x
  3. Step 3: Cross multiply
    145,165,881.60x = 217,748,822.40 × 109,334,073.60
  4. Step 4: Simplify right side
    145,165,881.60x = 23,807,365,774,594,928
  5. Step 5: Solve for x
    x = 23,807,365,774,594,928/145,165,881.60
  6. Step 6: Final answer
    x = 164,001,110.40

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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.