Home / 72,732,681.90-100,373,448.96-41,369,924.94

Finding the Fourth Proportional to 72,732,681.90, 100,373,448.96 and 41,369,924.94

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Solution

The fourth proportional to 72,732,681.90, 100,373,448.96 and 41,369,924.94 is: 57,091,831.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,732,681.90 : 100,373,448.96 = 41,369,924.94 : x
  2. Step 2: Convert to fraction form
    72,732,681.90/100,373,448.96 = 41,369,924.94/x
  3. Step 3: Cross multiply
    72,732,681.90x = 100,373,448.96 × 41,369,924.94
  4. Step 4: Simplify right side
    72,732,681.90x = 4,152,442,049,444,120.50
  5. Step 5: Solve for x
    x = 4,152,442,049,444,120.50/72,732,681.90
  6. Step 6: Final answer
    x = 57,091,831.91

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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.