Home / 415,106,987.32-623,091,315.88-240,571,030.22

Finding the Fourth Proportional to 415,106,987.32, 623,091,315.88 and 240,571,030.22

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Solution

The fourth proportional to 415,106,987.32, 623,091,315.88 and 240,571,030.22 is: 361,106,231.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,106,987.32 : 623,091,315.88 = 240,571,030.22 : x
  2. Step 2: Convert to fraction form
    415,106,987.32/623,091,315.88 = 240,571,030.22/x
  3. Step 3: Cross multiply
    415,106,987.32x = 623,091,315.88 × 240,571,030.22
  4. Step 4: Simplify right side
    415,106,987.32x = 149,897,719,781,908,896
  5. Step 5: Solve for x
    x = 149,897,719,781,908,896/415,106,987.32
  6. Step 6: Final answer
    x = 361,106,231.31

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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.