Home / 153,993,881.20-230,990,821.80-96,662,988.40

Finding the Fourth Proportional to 153,993,881.20, 230,990,821.80 and 96,662,988.40

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Solution

The fourth proportional to 153,993,881.20, 230,990,821.80 and 96,662,988.40 is: 144,994,482.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,993,881.20 : 230,990,821.80 = 96,662,988.40 : x
  2. Step 2: Convert to fraction form
    153,993,881.20/230,990,821.80 = 96,662,988.40/x
  3. Step 3: Cross multiply
    153,993,881.20x = 230,990,821.80 × 96,662,988.40
  4. Step 4: Simplify right side
    153,993,881.20x = 22,328,263,128,159,868
  5. Step 5: Solve for x
    x = 22,328,263,128,159,868/153,993,881.20
  6. Step 6: Final answer
    x = 144,994,482.60

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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.