Home / 142,326,918.90-213,489,328.59-40,088,692.98

Finding the Fourth Proportional to 142,326,918.90, 213,489,328.59 and 40,088,692.98

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Solution

The fourth proportional to 142,326,918.90, 213,489,328.59 and 40,088,692.98 is: 60,132,743.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,326,918.90 : 213,489,328.59 = 40,088,692.98 : x
  2. Step 2: Convert to fraction form
    142,326,918.90/213,489,328.59 = 40,088,692.98/x
  3. Step 3: Cross multiply
    142,326,918.90x = 213,489,328.59 × 40,088,692.98
  4. Step 4: Simplify right side
    142,326,918.90x = 8,558,508,148,350,846
  5. Step 5: Solve for x
    x = 8,558,508,148,350,846/142,326,918.90
  6. Step 6: Final answer
    x = 60,132,743.79

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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.