Home / 49,497,459.60-74,263,904.10-20,752,406.40

Finding the Fourth Proportional to 49,497,459.60, 74,263,904.10 and 20,752,406.40

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Solution

The fourth proportional to 49,497,459.60, 74,263,904.10 and 20,752,406.40 is: 31,136,036.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,497,459.60 : 74,263,904.10 = 20,752,406.40 : x
  2. Step 2: Convert to fraction form
    49,497,459.60/74,263,904.10 = 20,752,406.40/x
  3. Step 3: Cross multiply
    49,497,459.60x = 74,263,904.10 × 20,752,406.40
  4. Step 4: Simplify right side
    49,497,459.60x = 1,541,154,718,733,826
  5. Step 5: Solve for x
    x = 1,541,154,718,733,826/49,497,459.60
  6. Step 6: Final answer
    x = 31,136,036.70

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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.