Home / 54,249,089.80-74,865,129.78-29,803,419.40

Finding the Fourth Proportional to 54,249,089.80, 74,865,129.78 and 29,803,419.40

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Solution

The fourth proportional to 54,249,089.80, 74,865,129.78 and 29,803,419.40 is: 41,129,480.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,249,089.80 : 74,865,129.78 = 29,803,419.40 : x
  2. Step 2: Convert to fraction form
    54,249,089.80/74,865,129.78 = 29,803,419.40/x
  3. Step 3: Cross multiply
    54,249,089.80x = 74,865,129.78 × 29,803,419.40
  4. Step 4: Simplify right side
    54,249,089.80x = 2,231,236,861,268,769.75
  5. Step 5: Solve for x
    x = 2,231,236,861,268,769.75/54,249,089.80
  6. Step 6: Final answer
    x = 41,129,480.13

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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.