Home / 72,047,310.52-99,426,070.20-39,008,248.08

Finding the Fourth Proportional to 72,047,310.52, 99,426,070.20 and 39,008,248.08

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Solution

The fourth proportional to 72,047,310.52, 99,426,070.20 and 39,008,248.08 is: 53,831,805.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,047,310.52 : 99,426,070.20 = 39,008,248.08 : x
  2. Step 2: Convert to fraction form
    72,047,310.52/99,426,070.20 = 39,008,248.08/x
  3. Step 3: Cross multiply
    72,047,310.52x = 99,426,070.20 × 39,008,248.08
  4. Step 4: Simplify right side
    72,047,310.52x = 3,878,436,811,981,095
  5. Step 5: Solve for x
    x = 3,878,436,811,981,095/72,047,310.52
  6. Step 6: Final answer
    x = 53,831,805.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.