Home / 145,465,363.80-200,746,897.92-82,739,849.88

Finding the Fourth Proportional to 145,465,363.80, 200,746,897.92 and 82,739,849.88

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Solution

The fourth proportional to 145,465,363.80, 200,746,897.92 and 82,739,849.88 is: 114,183,663.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,465,363.80 : 200,746,897.92 = 82,739,849.88 : x
  2. Step 2: Convert to fraction form
    145,465,363.80/200,746,897.92 = 82,739,849.88/x
  3. Step 3: Cross multiply
    145,465,363.80x = 200,746,897.92 × 82,739,849.88
  4. Step 4: Simplify right side
    145,465,363.80x = 16,609,768,197,776,482
  5. Step 5: Solve for x
    x = 16,609,768,197,776,482/145,465,363.80
  6. Step 6: Final answer
    x = 114,183,663.82

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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.