Home / 298,956,005.60-448,434,008.40-83,545,253.60

Finding the Fourth Proportional to 298,956,005.60, 448,434,008.40 and 83,545,253.60

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Solution

The fourth proportional to 298,956,005.60, 448,434,008.40 and 83,545,253.60 is: 125,317,880.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,956,005.60 : 448,434,008.40 = 83,545,253.60 : x
  2. Step 2: Convert to fraction form
    298,956,005.60/448,434,008.40 = 83,545,253.60/x
  3. Step 3: Cross multiply
    298,956,005.60x = 448,434,008.40 × 83,545,253.60
  4. Step 4: Simplify right side
    298,956,005.60x = 37,464,532,954,642,528
  5. Step 5: Solve for x
    x = 37,464,532,954,642,528/298,956,005.60
  6. Step 6: Final answer
    x = 125,317,880.40

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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.