Home / 152,064,009.20-228,096,013.80-84,039,561.20

Finding the Fourth Proportional to 152,064,009.20, 228,096,013.80 and 84,039,561.20

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Solution

The fourth proportional to 152,064,009.20, 228,096,013.80 and 84,039,561.20 is: 126,059,341.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,064,009.20 : 228,096,013.80 = 84,039,561.20 : x
  2. Step 2: Convert to fraction form
    152,064,009.20/228,096,013.80 = 84,039,561.20/x
  3. Step 3: Cross multiply
    152,064,009.20x = 228,096,013.80 × 84,039,561.20
  4. Step 4: Simplify right side
    152,064,009.20x = 19,169,088,911,221,148
  5. Step 5: Solve for x
    x = 19,169,088,911,221,148/152,064,009.20
  6. Step 6: Final answer
    x = 126,059,341.80

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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.