Home / 74,662,926.40-111,994,389.60-61,908,342.40

Finding the Fourth Proportional to 74,662,926.40, 111,994,389.60 and 61,908,342.40

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Solution

The fourth proportional to 74,662,926.40, 111,994,389.60 and 61,908,342.40 is: 92,862,513.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,662,926.40 : 111,994,389.60 = 61,908,342.40 : x
  2. Step 2: Convert to fraction form
    74,662,926.40/111,994,389.60 = 61,908,342.40/x
  3. Step 3: Cross multiply
    74,662,926.40x = 111,994,389.60 × 61,908,342.40
  4. Step 4: Simplify right side
    74,662,926.40x = 6,933,387,018,235,799
  5. Step 5: Solve for x
    x = 6,933,387,018,235,799/74,662,926.40
  6. Step 6: Final answer
    x = 92,862,513.60

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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.