Home / 210,789,467.12-316,292,289.72-101,707,666.40

Finding the Fourth Proportional to 210,789,467.12, 316,292,289.72 and 101,707,666.40

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Solution

The fourth proportional to 210,789,467.12, 316,292,289.72 and 101,707,666.40 is: 152,613,653.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,789,467.12 : 316,292,289.72 = 101,707,666.40 : x
  2. Step 2: Convert to fraction form
    210,789,467.12/316,292,289.72 = 101,707,666.40/x
  3. Step 3: Cross multiply
    210,789,467.12x = 316,292,289.72 × 101,707,666.40
  4. Step 4: Simplify right side
    210,789,467.12x = 32,169,350,687,733,916
  5. Step 5: Solve for x
    x = 32,169,350,687,733,916/210,789,467.12
  6. Step 6: Final answer
    x = 152,613,653.46

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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.