Home / 157,464,009.60-236,196,014.40-71,205,230.40

Finding the Fourth Proportional to 157,464,009.60, 236,196,014.40 and 71,205,230.40

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Solution

The fourth proportional to 157,464,009.60, 236,196,014.40 and 71,205,230.40 is: 106,807,845.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,464,009.60 : 236,196,014.40 = 71,205,230.40 : x
  2. Step 2: Convert to fraction form
    157,464,009.60/236,196,014.40 = 71,205,230.40/x
  3. Step 3: Cross multiply
    157,464,009.60x = 236,196,014.40 × 71,205,230.40
  4. Step 4: Simplify right side
    157,464,009.60x = 16,818,391,624,913,720
  5. Step 5: Solve for x
    x = 16,818,391,624,913,720/157,464,009.60
  6. Step 6: Final answer
    x = 106,807,845.60

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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.