Home / 99,811,798.63-137,544,074.09-76,316,956.04

Finding the Fourth Proportional to 99,811,798.63, 137,544,074.09 and 76,316,956.04

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Solution

The fourth proportional to 99,811,798.63, 137,544,074.09 and 76,316,956.04 is: 105,167,377.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,811,798.63 : 137,544,074.09 = 76,316,956.04 : x
  2. Step 2: Convert to fraction form
    99,811,798.63/137,544,074.09 = 76,316,956.04/x
  3. Step 3: Cross multiply
    99,811,798.63x = 137,544,074.09 × 76,316,956.04
  4. Step 4: Simplify right side
    99,811,798.63x = 10,496,945,056,137,498
  5. Step 5: Solve for x
    x = 10,496,945,056,137,498/99,811,798.63
  6. Step 6: Final answer
    x = 105,167,377.01

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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.