Home / 186,607,140.80-279,705,424.80-65,376,190.40

Finding the Fourth Proportional to 186,607,140.80, 279,705,424.80 and 65,376,190.40

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Solution

The fourth proportional to 186,607,140.80, 279,705,424.80 and 65,376,190.40 is: 97,992,365.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,607,140.80 : 279,705,424.80 = 65,376,190.40 : x
  2. Step 2: Convert to fraction form
    186,607,140.80/279,705,424.80 = 65,376,190.40/x
  3. Step 3: Cross multiply
    186,607,140.80x = 279,705,424.80 × 65,376,190.40
  4. Step 4: Simplify right side
    186,607,140.80x = 18,286,075,107,637,684
  5. Step 5: Solve for x
    x = 18,286,075,107,637,684/186,607,140.80
  6. Step 6: Final answer
    x = 97,992,365.29

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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.