Home / 453,492,031.80-680,238,047.70-146,815,145.40

Finding the Fourth Proportional to 453,492,031.80, 680,238,047.70 and 146,815,145.40

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Solution

The fourth proportional to 453,492,031.80, 680,238,047.70 and 146,815,145.40 is: 220,222,718.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,492,031.80 : 680,238,047.70 = 146,815,145.40 : x
  2. Step 2: Convert to fraction form
    453,492,031.80/680,238,047.70 = 146,815,145.40/x
  3. Step 3: Cross multiply
    453,492,031.80x = 680,238,047.70 × 146,815,145.40
  4. Step 4: Simplify right side
    453,492,031.80x = 99,869,247,879,687,648
  5. Step 5: Solve for x
    x = 99,869,247,879,687,648/453,492,031.80
  6. Step 6: Final answer
    x = 220,222,718.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.