Home / 104,819,509,576.40-157,229,264,364.60-86,208,020,603.60

Finding the Fourth Proportional to 104,819,509,576.40, 157,229,264,364.60 and 86,208,020,603.60

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Solution

The fourth proportional to 104,819,509,576.40, 157,229,264,364.60 and 86,208,020,603.60 is: 129,312,030,905.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,819,509,576.40 : 157,229,264,364.60 = 86,208,020,603.60 : x
  2. Step 2: Convert to fraction form
    104,819,509,576.40/157,229,264,364.60 = 86,208,020,603.60/x
  3. Step 3: Cross multiply
    104,819,509,576.40x = 157,229,264,364.60 × 86,208,020,603.60
  4. Step 4: Simplify right side
    104,819,509,576.40x = 13,554,423,661,832,309,833,728
  5. Step 5: Solve for x
    x = 13,554,423,661,832,309,833,728/104,819,509,576.40
  6. Step 6: Final answer
    x = 129,312,030,905.40

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1.5x scale

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.