Home / 52,613,389.80-78,808,110.30-43,655,437.80

Finding the Fourth Proportional to 52,613,389.80, 78,808,110.30 and 43,655,437.80

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Solution

The fourth proportional to 52,613,389.80, 78,808,110.30 and 43,655,437.80 is: 65,390,247.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,613,389.80 : 78,808,110.30 = 43,655,437.80 : x
  2. Step 2: Convert to fraction form
    52,613,389.80/78,808,110.30 = 43,655,437.80/x
  3. Step 3: Cross multiply
    52,613,389.80x = 78,808,110.30 × 43,655,437.80
  4. Step 4: Simplify right side
    52,613,389.80x = 3,440,402,557,337,189
  5. Step 5: Solve for x
    x = 3,440,402,557,337,189/52,613,389.80
  6. Step 6: Final answer
    x = 65,390,247.05

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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.