Home / 92,941,981.20-139,412,971.80-82,897,746.30

Finding the Fourth Proportional to 92,941,981.20, 139,412,971.80 and 82,897,746.30

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Solution

The fourth proportional to 92,941,981.20, 139,412,971.80 and 82,897,746.30 is: 124,346,619.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,941,981.20 : 139,412,971.80 = 82,897,746.30 : x
  2. Step 2: Convert to fraction form
    92,941,981.20/139,412,971.80 = 82,897,746.30/x
  3. Step 3: Cross multiply
    92,941,981.20x = 139,412,971.80 × 82,897,746.30
  4. Step 4: Simplify right side
    92,941,981.20x = 11,557,021,167,205,454
  5. Step 5: Solve for x
    x = 11,557,021,167,205,454/92,941,981.20
  6. Step 6: Final answer
    x = 124,346,619.45

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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.