Home / 72,413,970.30-108,746,926.65-38,401,746.30

Finding the Fourth Proportional to 72,413,970.30, 108,746,926.65 and 38,401,746.30

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Solution

The fourth proportional to 72,413,970.30, 108,746,926.65 and 38,401,746.30 is: 57,669,423.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,413,970.30 : 108,746,926.65 = 38,401,746.30 : x
  2. Step 2: Convert to fraction form
    72,413,970.30/108,746,926.65 = 38,401,746.30/x
  3. Step 3: Cross multiply
    72,413,970.30x = 108,746,926.65 × 38,401,746.30
  4. Step 4: Simplify right side
    72,413,970.30x = 4,176,071,888,118,009
  5. Step 5: Solve for x
    x = 4,176,071,888,118,009/72,413,970.30
  6. Step 6: Final answer
    x = 57,669,423.05

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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.