Home / 145,547,102.61-200,849,727.87-79,466,383.67

Finding the Fourth Proportional to 145,547,102.61, 200,849,727.87 and 79,466,383.67

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Solution

The fourth proportional to 145,547,102.61, 200,849,727.87 and 79,466,383.67 is: 109,660,730.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,547,102.61 : 200,849,727.87 = 79,466,383.67 : x
  2. Step 2: Convert to fraction form
    145,547,102.61/200,849,727.87 = 79,466,383.67/x
  3. Step 3: Cross multiply
    145,547,102.61x = 200,849,727.87 × 79,466,383.67
  4. Step 4: Simplify right side
    145,547,102.61x = 15,960,801,533,928,264
  5. Step 5: Solve for x
    x = 15,960,801,533,928,264/145,547,102.61
  6. Step 6: Final answer
    x = 109,660,730.08

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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.