Home / 151,816,056.45-209,349,573.89-129,862,235.49

Finding the Fourth Proportional to 151,816,056.45, 209,349,573.89 and 129,862,235.49

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Solution

The fourth proportional to 151,816,056.45, 209,349,573.89 and 129,862,235.49 is: 179,075,944.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,816,056.45 : 209,349,573.89 = 129,862,235.49 : x
  2. Step 2: Convert to fraction form
    151,816,056.45/209,349,573.89 = 129,862,235.49/x
  3. Step 3: Cross multiply
    151,816,056.45x = 209,349,573.89 × 129,862,235.49
  4. Step 4: Simplify right side
    151,816,056.45x = 27,186,603,663,585,020
  5. Step 5: Solve for x
    x = 27,186,603,663,585,020/151,816,056.45
  6. Step 6: Final answer
    x = 179,075,944.27

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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.