Home / 42,775,545.40-64,163,318.10-40,784,889.40

Finding the Fourth Proportional to 42,775,545.40, 64,163,318.10 and 40,784,889.40

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Solution

The fourth proportional to 42,775,545.40, 64,163,318.10 and 40,784,889.40 is: 61,177,334.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,775,545.40 : 64,163,318.10 = 40,784,889.40 : x
  2. Step 2: Convert to fraction form
    42,775,545.40/64,163,318.10 = 40,784,889.40/x
  3. Step 3: Cross multiply
    42,775,545.40x = 64,163,318.10 × 40,784,889.40
  4. Step 4: Simplify right side
    42,775,545.40x = 2,616,893,832,245,518
  5. Step 5: Solve for x
    x = 2,616,893,832,245,518/42,775,545.40
  6. Step 6: Final answer
    x = 61,177,334.10

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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.