Home / 131,788,938.04-181,875,400.86-76,013,608.12

Finding the Fourth Proportional to 131,788,938.04, 181,875,400.86 and 76,013,608.12

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Solution

The fourth proportional to 131,788,938.04, 181,875,400.86 and 76,013,608.12 is: 104,902,624.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,788,938.04 : 181,875,400.86 = 76,013,608.12 : x
  2. Step 2: Convert to fraction form
    131,788,938.04/181,875,400.86 = 76,013,608.12/x
  3. Step 3: Cross multiply
    131,788,938.04x = 181,875,400.86 × 76,013,608.12
  4. Step 4: Simplify right side
    131,788,938.04x = 13,825,005,447,639,952
  5. Step 5: Solve for x
    x = 13,825,005,447,639,952/131,788,938.04
  6. Step 6: Final answer
    x = 104,902,624.25

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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.