Home / 110,031,396.20-165,047,094.30-77,746,355.45

Finding the Fourth Proportional to 110,031,396.20, 165,047,094.30 and 77,746,355.45

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Solution

The fourth proportional to 110,031,396.20, 165,047,094.30 and 77,746,355.45 is: 116,619,533.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,031,396.20 : 165,047,094.30 = 77,746,355.45 : x
  2. Step 2: Convert to fraction form
    110,031,396.20/165,047,094.30 = 77,746,355.45/x
  3. Step 3: Cross multiply
    110,031,396.20x = 165,047,094.30 × 77,746,355.45
  4. Step 4: Simplify right side
    110,031,396.20x = 12,831,810,059,437,470
  5. Step 5: Solve for x
    x = 12,831,810,059,437,470/110,031,396.20
  6. Step 6: Final answer
    x = 116,619,533.18

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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.