Home / 145,404,045.90-218,076,741.18-53,256,320.87

Finding the Fourth Proportional to 145,404,045.90, 218,076,741.18 and 53,256,320.87

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Solution

The fourth proportional to 145,404,045.90, 218,076,741.18 and 53,256,320.87 is: 79,873,739.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,404,045.90 : 218,076,741.18 = 53,256,320.87 : x
  2. Step 2: Convert to fraction form
    145,404,045.90/218,076,741.18 = 53,256,320.87/x
  3. Step 3: Cross multiply
    145,404,045.90x = 218,076,741.18 × 53,256,320.87
  4. Step 4: Simplify right side
    145,404,045.90x = 11,613,964,901,475,640
  5. Step 5: Solve for x
    x = 11,613,964,901,475,640/145,404,045.90
  6. Step 6: Final answer
    x = 79,873,739.62

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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.