Home / 99,642,278.10-149,463,417.15-61,179,071.70

Finding the Fourth Proportional to 99,642,278.10, 149,463,417.15 and 61,179,071.70

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Solution

The fourth proportional to 99,642,278.10, 149,463,417.15 and 61,179,071.70 is: 91,768,607.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,642,278.10 : 149,463,417.15 = 61,179,071.70 : x
  2. Step 2: Convert to fraction form
    99,642,278.10/149,463,417.15 = 61,179,071.70/x
  3. Step 3: Cross multiply
    99,642,278.10x = 149,463,417.15 × 61,179,071.70
  4. Step 4: Simplify right side
    99,642,278.10x = 9,144,033,114,346,860
  5. Step 5: Solve for x
    x = 9,144,033,114,346,860/99,642,278.10
  6. Step 6: Final answer
    x = 91,768,607.55

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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.