Home / 280,547,027.04-387,166,854-156,787,700.64

Finding the Fourth Proportional to 280,547,027.04, 387,166,854 and 156,787,700.64

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Solution

The fourth proportional to 280,547,027.04, 387,166,854 and 156,787,700.64 is: 216,373,709.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,547,027.04 : 387,166,854 = 156,787,700.64 : x
  2. Step 2: Convert to fraction form
    280,547,027.04/387,166,854 = 156,787,700.64/x
  3. Step 3: Cross multiply
    280,547,027.04x = 387,166,854 × 156,787,700.64
  4. Step 4: Simplify right side
    280,547,027.04x = 60,703,000,802,682,584
  5. Step 5: Solve for x
    x = 60,703,000,802,682,584/280,547,027.04
  6. Step 6: Final answer
    x = 216,373,709.05

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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.