Home / 85,678,072.04-128,535,545.02-26,589,285.47

Finding the Fourth Proportional to 85,678,072.04, 128,535,545.02 and 26,589,285.47

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Solution

The fourth proportional to 85,678,072.04, 128,535,545.02 and 26,589,285.47 is: 39,889,649.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,678,072.04 : 128,535,545.02 = 26,589,285.47 : x
  2. Step 2: Convert to fraction form
    85,678,072.04/128,535,545.02 = 26,589,285.47/x
  3. Step 3: Cross multiply
    85,678,072.04x = 128,535,545.02 × 26,589,285.47
  4. Step 4: Simplify right side
    85,678,072.04x = 3,417,668,300,101,745
  5. Step 5: Solve for x
    x = 3,417,668,300,101,745/85,678,072.04
  6. Step 6: Final answer
    x = 39,889,649.93

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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.