Home / 118,696,211.40-178,075,809.90-42,011,243.40

Finding the Fourth Proportional to 118,696,211.40, 178,075,809.90 and 42,011,243.40

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Solution

The fourth proportional to 118,696,211.40, 178,075,809.90 and 42,011,243.40 is: 63,028,011.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,696,211.40 : 178,075,809.90 = 42,011,243.40 : x
  2. Step 2: Convert to fraction form
    118,696,211.40/178,075,809.90 = 42,011,243.40/x
  3. Step 3: Cross multiply
    118,696,211.40x = 178,075,809.90 × 42,011,243.40
  4. Step 4: Simplify right side
    118,696,211.40x = 7,481,186,193,361,030
  5. Step 5: Solve for x
    x = 7,481,186,193,361,030/118,696,211.40
  6. Step 6: Final answer
    x = 63,028,011.64

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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.