Home / 115,043,666.50-158,763,697.86-62,835,165.10

Finding the Fourth Proportional to 115,043,666.50, 158,763,697.86 and 62,835,165.10

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Solution

The fourth proportional to 115,043,666.50, 158,763,697.86 and 62,835,165.10 is: 86,714,405.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,043,666.50 : 158,763,697.86 = 62,835,165.10 : x
  2. Step 2: Convert to fraction form
    115,043,666.50/158,763,697.86 = 62,835,165.10/x
  3. Step 3: Cross multiply
    115,043,666.50x = 158,763,697.86 × 62,835,165.10
  4. Step 4: Simplify right side
    115,043,666.50x = 9,975,943,166,919,618
  5. Step 5: Solve for x
    x = 9,975,943,166,919,618/115,043,666.50
  6. Step 6: Final answer
    x = 86,714,405.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.