Home / 44,009,934.30-66,014,901.45-42,143,985.90

Finding the Fourth Proportional to 44,009,934.30, 66,014,901.45 and 42,143,985.90

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Solution

The fourth proportional to 44,009,934.30, 66,014,901.45 and 42,143,985.90 is: 63,215,978.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,009,934.30 : 66,014,901.45 = 42,143,985.90 : x
  2. Step 2: Convert to fraction form
    44,009,934.30/66,014,901.45 = 42,143,985.90/x
  3. Step 3: Cross multiply
    44,009,934.30x = 66,014,901.45 × 42,143,985.90
  4. Step 4: Simplify right side
    44,009,934.30x = 2,782,131,075,898,689.50
  5. Step 5: Solve for x
    x = 2,782,131,075,898,689.50/44,009,934.30
  6. Step 6: Final answer
    x = 63,215,978.85

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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.