Home / 138,581,029.04-191,241,879.95-75,857,484.77

Finding the Fourth Proportional to 138,581,029.04, 191,241,879.95 and 75,857,484.77

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Solution

The fourth proportional to 138,581,029.04, 191,241,879.95 and 75,857,484.77 is: 104,683,361.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,581,029.04 : 191,241,879.95 = 75,857,484.77 : x
  2. Step 2: Convert to fraction form
    138,581,029.04/191,241,879.95 = 75,857,484.77/x
  3. Step 3: Cross multiply
    138,581,029.04x = 191,241,879.95 × 75,857,484.77
  4. Step 4: Simplify right side
    138,581,029.04x = 14,507,127,994,357,796
  5. Step 5: Solve for x
    x = 14,507,127,994,357,796/138,581,029.04
  6. Step 6: Final answer
    x = 104,683,361.75

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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.