Home / 151,783,526.80-209,461,337.16-82,168,907.76

Finding the Fourth Proportional to 151,783,526.80, 209,461,337.16 and 82,168,907.76

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Solution

The fourth proportional to 151,783,526.80, 209,461,337.16 and 82,168,907.76 is: 113,393,130.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,783,526.80 : 209,461,337.16 = 82,168,907.76 : x
  2. Step 2: Convert to fraction form
    151,783,526.80/209,461,337.16 = 82,168,907.76/x
  3. Step 3: Cross multiply
    151,783,526.80x = 209,461,337.16 × 82,168,907.76
  4. Step 4: Simplify right side
    151,783,526.80x = 17,211,209,292,386,302
  5. Step 5: Solve for x
    x = 17,211,209,292,386,302/151,783,526.80
  6. Step 6: Final answer
    x = 113,393,130.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.