Home / 152,064,078.40-228,051,880.80-83,939,406.40

Finding the Fourth Proportional to 152,064,078.40, 228,051,880.80 and 83,939,406.40

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Solution

The fourth proportional to 152,064,078.40, 228,051,880.80 and 83,939,406.40 is: 125,884,690.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,064,078.40 : 228,051,880.80 = 83,939,406.40 : x
  2. Step 2: Convert to fraction form
    152,064,078.40/228,051,880.80 = 83,939,406.40/x
  3. Step 3: Cross multiply
    152,064,078.40x = 228,051,880.80 × 83,939,406.40
  4. Step 4: Simplify right side
    152,064,078.40x = 19,142,539,502,755,560
  5. Step 5: Solve for x
    x = 19,142,539,502,755,560/152,064,078.40
  6. Step 6: Final answer
    x = 125,884,690.88

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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.