Home / 42,161,890-58,176,973.94-23,820,483.28

Finding the Fourth Proportional to 42,161,890, 58,176,973.94 and 23,820,483.28

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Solution

The fourth proportional to 42,161,890, 58,176,973.94 and 23,820,483.28 is: 32,868,631.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,161,890 : 58,176,973.94 = 23,820,483.28 : x
  2. Step 2: Convert to fraction form
    42,161,890/58,176,973.94 = 23,820,483.28/x
  3. Step 3: Cross multiply
    42,161,890x = 58,176,973.94 × 23,820,483.28
  4. Step 4: Simplify right side
    42,161,890x = 1,385,803,635,018,765.75
  5. Step 5: Solve for x
    x = 1,385,803,635,018,765.75/42,161,890
  6. Step 6: Final answer
    x = 32,868,631.72

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