Home / 116,640,603.30-174,960,904.95-86,407,515.30

Finding the Fourth Proportional to 116,640,603.30, 174,960,904.95 and 86,407,515.30

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Solution

The fourth proportional to 116,640,603.30, 174,960,904.95 and 86,407,515.30 is: 129,611,272.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,640,603.30 : 174,960,904.95 = 86,407,515.30 : x
  2. Step 2: Convert to fraction form
    116,640,603.30/174,960,904.95 = 86,407,515.30/x
  3. Step 3: Cross multiply
    116,640,603.30x = 174,960,904.95 × 86,407,515.30
  4. Step 4: Simplify right side
    116,640,603.30x = 15,117,937,071,368,970
  5. Step 5: Solve for x
    x = 15,117,937,071,368,970/116,640,603.30
  6. Step 6: Final answer
    x = 129,611,272.95

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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.