Home / 145,547,137.64-200,849,776.14-79,466,418.68

Finding the Fourth Proportional to 145,547,137.64, 200,849,776.14 and 79,466,418.68

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Solution

The fourth proportional to 145,547,137.64, 200,849,776.14 and 79,466,418.68 is: 109,660,778.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,547,137.64 : 200,849,776.14 = 79,466,418.68 : x
  2. Step 2: Convert to fraction form
    145,547,137.64/200,849,776.14 = 79,466,418.68/x
  3. Step 3: Cross multiply
    145,547,137.64x = 200,849,776.14 × 79,466,418.68
  4. Step 4: Simplify right side
    145,547,137.64x = 15,960,812,402,525,514
  5. Step 5: Solve for x
    x = 15,960,812,402,525,514/145,547,137.64
  6. Step 6: Final answer
    x = 109,660,778.37

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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.