Home / 66,516,985.98-99,752,367.83-37,018,188.69

Finding the Fourth Proportional to 66,516,985.98, 99,752,367.83 and 37,018,188.69

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Solution

The fourth proportional to 66,516,985.98, 99,752,367.83 and 37,018,188.69 is: 55,514,421.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,516,985.98 : 99,752,367.83 = 37,018,188.69 : x
  2. Step 2: Convert to fraction form
    66,516,985.98/99,752,367.83 = 37,018,188.69/x
  3. Step 3: Cross multiply
    66,516,985.98x = 99,752,367.83 × 37,018,188.69
  4. Step 4: Simplify right side
    66,516,985.98x = 3,692,651,974,420,135
  5. Step 5: Solve for x
    x = 3,692,651,974,420,135/66,516,985.98
  6. Step 6: Final answer
    x = 55,514,421.17

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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.