Home / 66,758,919.40-100,152,894.30-38,018,823.40

Finding the Fourth Proportional to 66,758,919.40, 100,152,894.30 and 38,018,823.40

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Solution

The fourth proportional to 66,758,919.40, 100,152,894.30 and 38,018,823.40 is: 57,036,501.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,758,919.40 : 100,152,894.30 = 38,018,823.40 : x
  2. Step 2: Convert to fraction form
    66,758,919.40/100,152,894.30 = 38,018,823.40/x
  3. Step 3: Cross multiply
    66,758,919.40x = 100,152,894.30 × 38,018,823.40
  4. Step 4: Simplify right side
    66,758,919.40x = 3,807,695,201,390,566.50
  5. Step 5: Solve for x
    x = 3,807,695,201,390,566.50/66,758,919.40
  6. Step 6: Final answer
    x = 57,036,501.42

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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.