Home / 71,009,979.40-106,514,969.10-40,776,891.40

Finding the Fourth Proportional to 71,009,979.40, 106,514,969.10 and 40,776,891.40

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Solution

The fourth proportional to 71,009,979.40, 106,514,969.10 and 40,776,891.40 is: 61,165,337.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,009,979.40 : 106,514,969.10 = 40,776,891.40 : x
  2. Step 2: Convert to fraction form
    71,009,979.40/106,514,969.10 = 40,776,891.40/x
  3. Step 3: Cross multiply
    71,009,979.40x = 106,514,969.10 × 40,776,891.40
  4. Step 4: Simplify right side
    71,009,979.40x = 4,343,349,327,465,055.50
  5. Step 5: Solve for x
    x = 4,343,349,327,465,055.50/71,009,979.40
  6. Step 6: Final answer
    x = 61,165,337.10

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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.