Home / 96,776,000.80-145,164,001.20-42,923,312.80

Finding the Fourth Proportional to 96,776,000.80, 145,164,001.20 and 42,923,312.80

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Solution

The fourth proportional to 96,776,000.80, 145,164,001.20 and 42,923,312.80 is: 64,384,969.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,776,000.80 : 145,164,001.20 = 42,923,312.80 : x
  2. Step 2: Convert to fraction form
    96,776,000.80/145,164,001.20 = 42,923,312.80/x
  3. Step 3: Cross multiply
    96,776,000.80x = 145,164,001.20 × 42,923,312.80
  4. Step 4: Simplify right side
    96,776,000.80x = 6,230,919,830,807,174
  5. Step 5: Solve for x
    x = 6,230,919,830,807,174/96,776,000.80
  6. Step 6: Final answer
    x = 64,384,969.20

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Similar ratio
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1.5x scale

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.