Home / 72,578,533.20-109,030,001.40-60,634,597.20

Finding the Fourth Proportional to 72,578,533.20, 109,030,001.40 and 60,634,597.20

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Solution

The fourth proportional to 72,578,533.20, 109,030,001.40 and 60,634,597.20 is: 91,087,404.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,578,533.20 : 109,030,001.40 = 60,634,597.20 : x
  2. Step 2: Convert to fraction form
    72,578,533.20/109,030,001.40 = 60,634,597.20/x
  3. Step 3: Cross multiply
    72,578,533.20x = 109,030,001.40 × 60,634,597.20
  4. Step 4: Simplify right side
    72,578,533.20x = 6,610,990,217,604,437
  5. Step 5: Solve for x
    x = 6,610,990,217,604,437/72,578,533.20
  6. Step 6: Final answer
    x = 91,087,404.58

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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.