Home / 145,765,261.80-218,479,931.10-59,446,996.20

Finding the Fourth Proportional to 145,765,261.80, 218,479,931.10 and 59,446,996.20

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Solution

The fourth proportional to 145,765,261.80, 218,479,931.10 and 59,446,996.20 is: 89,101,995.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,765,261.80 : 218,479,931.10 = 59,446,996.20 : x
  2. Step 2: Convert to fraction form
    145,765,261.80/218,479,931.10 = 59,446,996.20/x
  3. Step 3: Cross multiply
    145,765,261.80x = 218,479,931.10 × 59,446,996.20
  4. Step 4: Simplify right side
    145,765,261.80x = 12,987,975,633,877,962
  5. Step 5: Solve for x
    x = 12,987,975,633,877,962/145,765,261.80
  6. Step 6: Final answer
    x = 89,101,995.04

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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.