Home / 134,830,483.23-186,013,123.54-78,305,606.56

Finding the Fourth Proportional to 134,830,483.23, 186,013,123.54 and 78,305,606.56

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Solution

The fourth proportional to 134,830,483.23, 186,013,123.54 and 78,305,606.56 is: 108,030,989.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,830,483.23 : 186,013,123.54 = 78,305,606.56 : x
  2. Step 2: Convert to fraction form
    134,830,483.23/186,013,123.54 = 78,305,606.56/x
  3. Step 3: Cross multiply
    134,830,483.23x = 186,013,123.54 × 78,305,606.56
  4. Step 4: Simplify right side
    134,830,483.23x = 14,565,870,467,397,528
  5. Step 5: Solve for x
    x = 14,565,870,467,397,528/134,830,483.23
  6. Step 6: Final answer
    x = 108,030,989.12

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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.