Home / 137,141,596.52-189,201,526.10-78,372,733

Finding the Fourth Proportional to 137,141,596.52, 189,201,526.10 and 78,372,733

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Solution

The fourth proportional to 137,141,596.52, 189,201,526.10 and 78,372,733 is: 108,123,582.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,141,596.52 : 189,201,526.10 = 78,372,733 : x
  2. Step 2: Convert to fraction form
    137,141,596.52/189,201,526.10 = 78,372,733/x
  3. Step 3: Cross multiply
    137,141,596.52x = 189,201,526.10 × 78,372,733
  4. Step 4: Simplify right side
    137,141,596.52x = 14,828,240,688,227,830
  5. Step 5: Solve for x
    x = 14,828,240,688,227,830/137,141,596.52
  6. Step 6: Final answer
    x = 108,123,582.23

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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.