Home / 91,180,636.54-136,770,659.12-70,461,154.38

Finding the Fourth Proportional to 91,180,636.54, 136,770,659.12 and 70,461,154.38

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Solution

The fourth proportional to 91,180,636.54, 136,770,659.12 and 70,461,154.38 is: 105,691,503.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,180,636.54 : 136,770,659.12 = 70,461,154.38 : x
  2. Step 2: Convert to fraction form
    91,180,636.54/136,770,659.12 = 70,461,154.38/x
  3. Step 3: Cross multiply
    91,180,636.54x = 136,770,659.12 × 70,461,154.38
  4. Step 4: Simplify right side
    91,180,636.54x = 9,637,018,526,908,674
  5. Step 5: Solve for x
    x = 9,637,018,526,908,674/91,180,636.54
  6. Step 6: Final answer
    x = 105,691,503.07

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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.