Home / 112,623,931-155,421,024.87-61,115,707

Finding the Fourth Proportional to 112,623,931, 155,421,024.87 and 61,115,707

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Solution

The fourth proportional to 112,623,931, 155,421,024.87 and 61,115,707 is: 84,339,675.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,623,931 : 155,421,024.87 = 61,115,707 : x
  2. Step 2: Convert to fraction form
    112,623,931/155,421,024.87 = 61,115,707/x
  3. Step 3: Cross multiply
    112,623,931x = 155,421,024.87 × 61,115,707
  4. Step 4: Simplify right side
    112,623,931x = 9,498,665,817,594,634
  5. Step 5: Solve for x
    x = 9,498,665,817,594,634/112,623,931
  6. Step 6: Final answer
    x = 84,339,675.71

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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.