Home / 62,136,582.39-85,785,266.43-55,242,021.15

Finding the Fourth Proportional to 62,136,582.39, 85,785,266.43 and 55,242,021.15

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Solution

The fourth proportional to 62,136,582.39, 85,785,266.43 and 55,242,021.15 is: 76,266,690.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,136,582.39 : 85,785,266.43 = 55,242,021.15 : x
  2. Step 2: Convert to fraction form
    62,136,582.39/85,785,266.43 = 55,242,021.15/x
  3. Step 3: Cross multiply
    62,136,582.39x = 85,785,266.43 × 55,242,021.15
  4. Step 4: Simplify right side
    62,136,582.39x = 4,738,951,502,484,445
  5. Step 5: Solve for x
    x = 4,738,951,502,484,445/62,136,582.39
  6. Step 6: Final answer
    x = 76,266,690.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.