Home / 145,547,463.28-200,873,113.96-82,838,808.72

Finding the Fourth Proportional to 145,547,463.28, 200,873,113.96 and 82,838,808.72

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Solution

The fourth proportional to 145,547,463.28, 200,873,113.96 and 82,838,808.72 is: 114,327,581.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,547,463.28 : 200,873,113.96 = 82,838,808.72 : x
  2. Step 2: Convert to fraction form
    145,547,463.28/200,873,113.96 = 82,838,808.72/x
  3. Step 3: Cross multiply
    145,547,463.28x = 200,873,113.96 × 82,838,808.72
  4. Step 4: Simplify right side
    145,547,463.28x = 16,640,089,464,323,202
  5. Step 5: Solve for x
    x = 16,640,089,464,323,202/145,547,463.28
  6. Step 6: Final answer
    x = 114,327,581.46

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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.