Home / 72,606,653.30-108,909,979.95-56,167,411.70

Finding the Fourth Proportional to 72,606,653.30, 108,909,979.95 and 56,167,411.70

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Solution

The fourth proportional to 72,606,653.30, 108,909,979.95 and 56,167,411.70 is: 84,251,117.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,606,653.30 : 108,909,979.95 = 56,167,411.70 : x
  2. Step 2: Convert to fraction form
    72,606,653.30/108,909,979.95 = 56,167,411.70/x
  3. Step 3: Cross multiply
    72,606,653.30x = 108,909,979.95 × 56,167,411.70
  4. Step 4: Simplify right side
    72,606,653.30x = 6,117,191,682,090,396
  5. Step 5: Solve for x
    x = 6,117,191,682,090,396/72,606,653.30
  6. Step 6: Final answer
    x = 84,251,117.55

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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.