Home / 218,911,802.40-328,367,703.60-201,055,384.80

Finding the Fourth Proportional to 218,911,802.40, 328,367,703.60 and 201,055,384.80

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Solution

The fourth proportional to 218,911,802.40, 328,367,703.60 and 201,055,384.80 is: 301,583,077.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,911,802.40 : 328,367,703.60 = 201,055,384.80 : x
  2. Step 2: Convert to fraction form
    218,911,802.40/328,367,703.60 = 201,055,384.80/x
  3. Step 3: Cross multiply
    218,911,802.40x = 328,367,703.60 × 201,055,384.80
  4. Step 4: Simplify right side
    218,911,802.40x = 66,020,095,003,190,352
  5. Step 5: Solve for x
    x = 66,020,095,003,190,352/218,911,802.40
  6. Step 6: Final answer
    x = 301,583,077.20

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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.