Home / 143,343,042.40-215,067,707.70-57,143,312.20

Finding the Fourth Proportional to 143,343,042.40, 215,067,707.70 and 57,143,312.20

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Solution

The fourth proportional to 143,343,042.40, 215,067,707.70 and 57,143,312.20 is: 85,736,154.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,343,042.40 : 215,067,707.70 = 57,143,312.20 : x
  2. Step 2: Convert to fraction form
    143,343,042.40/215,067,707.70 = 57,143,312.20/x
  3. Step 3: Cross multiply
    143,343,042.40x = 215,067,707.70 × 57,143,312.20
  4. Step 4: Simplify right side
    143,343,042.40x = 12,289,681,165,239,444
  5. Step 5: Solve for x
    x = 12,289,681,165,239,444/143,343,042.40
  6. Step 6: Final answer
    x = 85,736,154.05

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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.