Home / 75,836,429.04-104,654,294.52-42,803,675.72

Finding the Fourth Proportional to 75,836,429.04, 104,654,294.52 and 42,803,675.72

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Solution

The fourth proportional to 75,836,429.04, 104,654,294.52 and 42,803,675.72 is: 59,069,085.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,836,429.04 : 104,654,294.52 = 42,803,675.72 : x
  2. Step 2: Convert to fraction form
    75,836,429.04/104,654,294.52 = 42,803,675.72/x
  3. Step 3: Cross multiply
    75,836,429.04x = 104,654,294.52 × 42,803,675.72
  4. Step 4: Simplify right side
    75,836,429.04x = 4,479,588,485,129,991
  5. Step 5: Solve for x
    x = 4,479,588,485,129,991/75,836,429.04
  6. Step 6: Final answer
    x = 59,069,085.16

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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.