Home / 114,935,622.40-172,403,433.60-109,266,918.40

Finding the Fourth Proportional to 114,935,622.40, 172,403,433.60 and 109,266,918.40

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Solution

The fourth proportional to 114,935,622.40, 172,403,433.60 and 109,266,918.40 is: 163,900,377.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,935,622.40 : 172,403,433.60 = 109,266,918.40 : x
  2. Step 2: Convert to fraction form
    114,935,622.40/172,403,433.60 = 109,266,918.40/x
  3. Step 3: Cross multiply
    114,935,622.40x = 172,403,433.60 × 109,266,918.40
  4. Step 4: Simplify right side
    114,935,622.40x = 18,837,991,911,051,020
  5. Step 5: Solve for x
    x = 18,837,991,911,051,020/114,935,622.40
  6. Step 6: Final answer
    x = 163,900,377.60

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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.