Home / 80,547,878.40-120,884,803.20-37,422,425.40

Finding the Fourth Proportional to 80,547,878.40, 120,884,803.20 and 37,422,425.40

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Solution

The fourth proportional to 80,547,878.40, 120,884,803.20 and 37,422,425.40 is: 56,162,901.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,547,878.40 : 120,884,803.20 = 37,422,425.40 : x
  2. Step 2: Convert to fraction form
    80,547,878.40/120,884,803.20 = 37,422,425.40/x
  3. Step 3: Cross multiply
    80,547,878.40x = 120,884,803.20 × 37,422,425.40
  4. Step 4: Simplify right side
    80,547,878.40x = 4,523,802,529,745,681
  5. Step 5: Solve for x
    x = 4,523,802,529,745,681/80,547,878.40
  6. Step 6: Final answer
    x = 56,162,901.12

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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.