Home / 80,547,998.40-120,884,983.20-37,422,545.40

Finding the Fourth Proportional to 80,547,998.40, 120,884,983.20 and 37,422,545.40

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Solution

The fourth proportional to 80,547,998.40, 120,884,983.20 and 37,422,545.40 is: 56,163,081.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,547,998.40 : 120,884,983.20 = 37,422,545.40 : x
  2. Step 2: Convert to fraction form
    80,547,998.40/120,884,983.20 = 37,422,545.40/x
  3. Step 3: Cross multiply
    80,547,998.40x = 120,884,983.20 × 37,422,545.40
  4. Step 4: Simplify right side
    80,547,998.40x = 4,523,823,771,980,237
  5. Step 5: Solve for x
    x = 4,523,823,771,980,237/80,547,998.40
  6. Step 6: Final answer
    x = 56,163,081.17

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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.