Home / 354,319,141.60-531,478,712.40-163,216,165.60

Finding the Fourth Proportional to 354,319,141.60, 531,478,712.40 and 163,216,165.60

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Solution

The fourth proportional to 354,319,141.60, 531,478,712.40 and 163,216,165.60 is: 244,824,248.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,319,141.60 : 531,478,712.40 = 163,216,165.60 : x
  2. Step 2: Convert to fraction form
    354,319,141.60/531,478,712.40 = 163,216,165.60/x
  3. Step 3: Cross multiply
    354,319,141.60x = 531,478,712.40 × 163,216,165.60
  4. Step 4: Simplify right side
    354,319,141.60x = 86,745,917,535,953,168
  5. Step 5: Solve for x
    x = 86,745,917,535,953,168/354,319,141.60
  6. Step 6: Final answer
    x = 244,824,248.40

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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.