Home / 118,624,015.40-177,936,023.10-70,848,271.40

Finding the Fourth Proportional to 118,624,015.40, 177,936,023.10 and 70,848,271.40

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Solution

The fourth proportional to 118,624,015.40, 177,936,023.10 and 70,848,271.40 is: 106,272,407.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,624,015.40 : 177,936,023.10 = 70,848,271.40 : x
  2. Step 2: Convert to fraction form
    118,624,015.40/177,936,023.10 = 70,848,271.40/x
  3. Step 3: Cross multiply
    118,624,015.40x = 177,936,023.10 × 70,848,271.40
  4. Step 4: Simplify right side
    118,624,015.40x = 12,606,459,656,425,470
  5. Step 5: Solve for x
    x = 12,606,459,656,425,470/118,624,015.40
  6. Step 6: Final answer
    x = 106,272,407.10

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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.