Home / 131,462,765.25-181,423,957.80-72,724,417.67

Finding the Fourth Proportional to 131,462,765.25, 181,423,957.80 and 72,724,417.67

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Solution

The fourth proportional to 131,462,765.25, 181,423,957.80 and 72,724,417.67 is: 100,362,651.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,462,765.25 : 181,423,957.80 = 72,724,417.67 : x
  2. Step 2: Convert to fraction form
    131,462,765.25/181,423,957.80 = 72,724,417.67/x
  3. Step 3: Cross multiply
    131,462,765.25x = 181,423,957.80 × 72,724,417.67
  4. Step 4: Simplify right side
    131,462,765.25x = 13,193,951,681,484,536
  5. Step 5: Solve for x
    x = 13,193,951,681,484,536/131,462,765.25
  6. Step 6: Final answer
    x = 100,362,651.40

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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.