Home / 74,749,017.46-103,138,237.65-42,953,043.91

Finding the Fourth Proportional to 74,749,017.46, 103,138,237.65 and 42,953,043.91

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Solution

The fourth proportional to 74,749,017.46, 103,138,237.65 and 42,953,043.91 is: 59,266,347.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,749,017.46 : 103,138,237.65 = 42,953,043.91 : x
  2. Step 2: Convert to fraction form
    74,749,017.46/103,138,237.65 = 42,953,043.91/x
  3. Step 3: Cross multiply
    74,749,017.46x = 103,138,237.65 × 42,953,043.91
  4. Step 4: Simplify right side
    74,749,017.46x = 4,430,101,250,580,465
  5. Step 5: Solve for x
    x = 4,430,101,250,580,465/74,749,017.46
  6. Step 6: Final answer
    x = 59,266,347.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.