Home / 111,312,036.90-155,518,346.70-111,312,036.90

Finding the Fourth Proportional to 111,312,036.90, 155,518,346.70 and 111,312,036.90

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Solution

The fourth proportional to 111,312,036.90, 155,518,346.70 and 111,312,036.90 is: 155,518,346.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,312,036.90 : 155,518,346.70 = 111,312,036.90 : x
  2. Step 2: Convert to fraction form
    111,312,036.90/155,518,346.70 = 111,312,036.90/x
  3. Step 3: Cross multiply
    111,312,036.90x = 155,518,346.70 × 111,312,036.90
  4. Step 4: Simplify right side
    111,312,036.90x = 17,311,063,946,497,392
  5. Step 5: Solve for x
    x = 17,311,063,946,497,392/111,312,036.90
  6. Step 6: Final answer
    x = 155,518,346.70

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.