Home / 53,304,030.30-79,956,045.45-39,699,140.70

Finding the Fourth Proportional to 53,304,030.30, 79,956,045.45 and 39,699,140.70

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Solution

The fourth proportional to 53,304,030.30, 79,956,045.45 and 39,699,140.70 is: 59,548,711.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,304,030.30 : 79,956,045.45 = 39,699,140.70 : x
  2. Step 2: Convert to fraction form
    53,304,030.30/79,956,045.45 = 39,699,140.70/x
  3. Step 3: Cross multiply
    53,304,030.30x = 79,956,045.45 × 39,699,140.70
  4. Step 4: Simplify right side
    53,304,030.30x = 3,174,186,298,135,145
  5. Step 5: Solve for x
    x = 3,174,186,298,135,145/53,304,030.30
  6. Step 6: Final answer
    x = 59,548,711.05

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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.