Home / 109,170,687.60-163,308,133.80-98,421,145.20

Finding the Fourth Proportional to 109,170,687.60, 163,308,133.80 and 98,421,145.20

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Solution

The fourth proportional to 109,170,687.60, 163,308,133.80 and 98,421,145.20 is: 147,227,922.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,170,687.60 : 163,308,133.80 = 98,421,145.20 : x
  2. Step 2: Convert to fraction form
    109,170,687.60/163,308,133.80 = 98,421,145.20/x
  3. Step 3: Cross multiply
    109,170,687.60x = 163,308,133.80 × 98,421,145.20
  4. Step 4: Simplify right side
    109,170,687.60x = 16,072,973,549,070,830
  5. Step 5: Solve for x
    x = 16,072,973,549,070,830/109,170,687.60
  6. Step 6: Final answer
    x = 147,227,922.64

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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.