Home / 280,827,486.81-387,539,824.23-157,068,163.89

Finding the Fourth Proportional to 280,827,486.81, 387,539,824.23 and 157,068,163.89

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Solution

The fourth proportional to 280,827,486.81, 387,539,824.23 and 157,068,163.89 is: 216,752,887.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,827,486.81 : 387,539,824.23 = 157,068,163.89 : x
  2. Step 2: Convert to fraction form
    280,827,486.81/387,539,824.23 = 157,068,163.89/x
  3. Step 3: Cross multiply
    280,827,486.81x = 387,539,824.23 × 157,068,163.89
  4. Step 4: Simplify right side
    280,827,486.81x = 60,870,168,626,059,432
  5. Step 5: Solve for x
    x = 60,870,168,626,059,432/280,827,486.81
  6. Step 6: Final answer
    x = 216,752,887.40

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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.