Home / 66,779,931.70-100,169,897.55-49,561,243.30

Finding the Fourth Proportional to 66,779,931.70, 100,169,897.55 and 49,561,243.30

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Solution

The fourth proportional to 66,779,931.70, 100,169,897.55 and 49,561,243.30 is: 74,341,864.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,779,931.70 : 100,169,897.55 = 49,561,243.30 : x
  2. Step 2: Convert to fraction form
    66,779,931.70/100,169,897.55 = 49,561,243.30/x
  3. Step 3: Cross multiply
    66,779,931.70x = 100,169,897.55 × 49,561,243.30
  4. Step 4: Simplify right side
    66,779,931.70x = 4,964,544,663,811,623
  5. Step 5: Solve for x
    x = 4,964,544,663,811,623/66,779,931.70
  6. Step 6: Final answer
    x = 74,341,864.95

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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.