Home / 155,520,815.40-233,281,223.10-115,210,031.40

Finding the Fourth Proportional to 155,520,815.40, 233,281,223.10 and 115,210,031.40

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Solution

The fourth proportional to 155,520,815.40, 233,281,223.10 and 115,210,031.40 is: 172,815,047.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,520,815.40 : 233,281,223.10 = 115,210,031.40 : x
  2. Step 2: Convert to fraction form
    155,520,815.40/233,281,223.10 = 115,210,031.40/x
  3. Step 3: Cross multiply
    155,520,815.40x = 233,281,223.10 × 115,210,031.40
  4. Step 4: Simplify right side
    155,520,815.40x = 26,876,337,038,381,408
  5. Step 5: Solve for x
    x = 26,876,337,038,381,408/155,520,815.40
  6. Step 6: Final answer
    x = 172,815,047.10

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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.