Home / 121,157,002.80-181,798,489.80-53,006,583.60

Finding the Fourth Proportional to 121,157,002.80, 181,798,489.80 and 53,006,583.60

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Solution

The fourth proportional to 121,157,002.80, 181,798,489.80 and 53,006,583.60 is: 79,537,431.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,157,002.80 : 181,798,489.80 = 53,006,583.60 : x
  2. Step 2: Convert to fraction form
    121,157,002.80/181,798,489.80 = 53,006,583.60/x
  3. Step 3: Cross multiply
    121,157,002.80x = 181,798,489.80 × 53,006,583.60
  4. Step 4: Simplify right side
    121,157,002.80x = 9,636,516,847,937,448
  5. Step 5: Solve for x
    x = 9,636,516,847,937,448/121,157,002.80
  6. Step 6: Final answer
    x = 79,537,431.81

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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.