Home / 52,428,001.20-78,642,001.80-34,288,148.40

Finding the Fourth Proportional to 52,428,001.20, 78,642,001.80 and 34,288,148.40

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Solution

The fourth proportional to 52,428,001.20, 78,642,001.80 and 34,288,148.40 is: 51,432,222.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,428,001.20 : 78,642,001.80 = 34,288,148.40 : x
  2. Step 2: Convert to fraction form
    52,428,001.20/78,642,001.80 = 34,288,148.40/x
  3. Step 3: Cross multiply
    52,428,001.20x = 78,642,001.80 × 34,288,148.40
  4. Step 4: Simplify right side
    52,428,001.20x = 2,696,488,628,191,467
  5. Step 5: Solve for x
    x = 2,696,488,628,191,467/52,428,001.20
  6. Step 6: Final answer
    x = 51,432,222.60

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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.