Home / 131,562,055.68-181,553,438.16-72,823,460.64

Finding the Fourth Proportional to 131,562,055.68, 181,553,438.16 and 72,823,460.64

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Solution

The fourth proportional to 131,562,055.68, 181,553,438.16 and 72,823,460.64 is: 100,495,158.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,562,055.68 : 181,553,438.16 = 72,823,460.64 : x
  2. Step 2: Convert to fraction form
    131,562,055.68/181,553,438.16 = 72,823,460.64/x
  3. Step 3: Cross multiply
    131,562,055.68x = 181,553,438.16 × 72,823,460.64
  4. Step 4: Simplify right side
    131,562,055.68x = 13,221,349,657,901,434
  5. Step 5: Solve for x
    x = 13,221,349,657,901,434/131,562,055.68
  6. Step 6: Final answer
    x = 100,495,158.65

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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.