Home / 157,464,139.20-236,196,208.80-48,288,443.10

Finding the Fourth Proportional to 157,464,139.20, 236,196,208.80 and 48,288,443.10

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Solution

The fourth proportional to 157,464,139.20, 236,196,208.80 and 48,288,443.10 is: 72,432,664.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,464,139.20 : 236,196,208.80 = 48,288,443.10 : x
  2. Step 2: Convert to fraction form
    157,464,139.20/236,196,208.80 = 48,288,443.10/x
  3. Step 3: Cross multiply
    157,464,139.20x = 236,196,208.80 × 48,288,443.10
  4. Step 4: Simplify right side
    157,464,139.20x = 11,405,547,189,074,520
  5. Step 5: Solve for x
    x = 11,405,547,189,074,520/157,464,139.20
  6. Step 6: Final answer
    x = 72,432,664.65

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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.