Home / 163,340,999.70-245,011,499.55-66,343,175.70

Finding the Fourth Proportional to 163,340,999.70, 245,011,499.55 and 66,343,175.70

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Solution

The fourth proportional to 163,340,999.70, 245,011,499.55 and 66,343,175.70 is: 99,514,763.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,340,999.70 : 245,011,499.55 = 66,343,175.70 : x
  2. Step 2: Convert to fraction form
    163,340,999.70/245,011,499.55 = 66,343,175.70/x
  3. Step 3: Cross multiply
    163,340,999.70x = 245,011,499.55 × 66,343,175.70
  4. Step 4: Simplify right side
    163,340,999.70x = 16,254,840,963,166,122
  5. Step 5: Solve for x
    x = 16,254,840,963,166,122/163,340,999.70
  6. Step 6: Final answer
    x = 99,514,763.55

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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.