Home / 111,466,307.57-153,814,504.14-64,426,428.27

Finding the Fourth Proportional to 111,466,307.57, 153,814,504.14 and 64,426,428.27

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Solution

The fourth proportional to 111,466,307.57, 153,814,504.14 and 64,426,428.27 is: 88,903,268.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,466,307.57 : 153,814,504.14 = 64,426,428.27 : x
  2. Step 2: Convert to fraction form
    111,466,307.57/153,814,504.14 = 64,426,428.27/x
  3. Step 3: Cross multiply
    111,466,307.57x = 153,814,504.14 × 64,426,428.27
  4. Step 4: Simplify right side
    111,466,307.57x = 9,909,719,117,861,328
  5. Step 5: Solve for x
    x = 9,909,719,117,861,328/111,466,307.57
  6. Step 6: Final answer
    x = 88,903,268.93

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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.