Home / 131,713,101.84-181,763,938.53-72,175,849.77

Finding the Fourth Proportional to 131,713,101.84, 181,763,938.53 and 72,175,849.77

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Solution

The fourth proportional to 131,713,101.84, 181,763,938.53 and 72,175,849.77 is: 99,602,594.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,713,101.84 : 181,763,938.53 = 72,175,849.77 : x
  2. Step 2: Convert to fraction form
    131,713,101.84/181,763,938.53 = 72,175,849.77/x
  3. Step 3: Cross multiply
    131,713,101.84x = 181,763,938.53 × 72,175,849.77
  4. Step 4: Simplify right side
    131,713,101.84x = 13,118,966,720,944,794
  5. Step 5: Solve for x
    x = 13,118,966,720,944,794/131,713,101.84
  6. Step 6: Final answer
    x = 99,602,594.86

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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.