Home / 157,465,362.60-236,198,043.90-48,307,381.20

Finding the Fourth Proportional to 157,465,362.60, 236,198,043.90 and 48,307,381.20

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Solution

The fourth proportional to 157,465,362.60, 236,198,043.90 and 48,307,381.20 is: 72,461,071.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,465,362.60 : 236,198,043.90 = 48,307,381.20 : x
  2. Step 2: Convert to fraction form
    157,465,362.60/236,198,043.90 = 48,307,381.20/x
  3. Step 3: Cross multiply
    157,465,362.60x = 236,198,043.90 × 48,307,381.20
  4. Step 4: Simplify right side
    157,465,362.60x = 11,410,108,945,371,636
  5. Step 5: Solve for x
    x = 11,410,108,945,371,636/157,465,362.60
  6. Step 6: Final answer
    x = 72,461,071.80

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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.