Home / 141,445,844.80-211,743,614.40-83,908,499.20

Finding the Fourth Proportional to 141,445,844.80, 211,743,614.40 and 83,908,499.20

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Solution

The fourth proportional to 141,445,844.80, 211,743,614.40 and 83,908,499.20 is: 125,610,539.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,445,844.80 : 211,743,614.40 = 83,908,499.20 : x
  2. Step 2: Convert to fraction form
    141,445,844.80/211,743,614.40 = 83,908,499.20/x
  3. Step 3: Cross multiply
    141,445,844.80x = 211,743,614.40 × 83,908,499.20
  4. Step 4: Simplify right side
    141,445,844.80x = 17,767,088,899,487,510
  5. Step 5: Solve for x
    x = 17,767,088,899,487,510/141,445,844.80
  6. Step 6: Final answer
    x = 125,610,539.67

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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.