Home / 124,455,785.40-186,683,678.10-116,891,292.60

Finding the Fourth Proportional to 124,455,785.40, 186,683,678.10 and 116,891,292.60

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Solution

The fourth proportional to 124,455,785.40, 186,683,678.10 and 116,891,292.60 is: 175,336,938.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,455,785.40 : 186,683,678.10 = 116,891,292.60 : x
  2. Step 2: Convert to fraction form
    124,455,785.40/186,683,678.10 = 116,891,292.60/x
  3. Step 3: Cross multiply
    124,455,785.40x = 186,683,678.10 × 116,891,292.60
  4. Step 4: Simplify right side
    124,455,785.40x = 21,821,696,440,431,312
  5. Step 5: Solve for x
    x = 21,821,696,440,431,312/124,455,785.40
  6. Step 6: Final answer
    x = 175,336,938.90

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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.