Home / 186,730,950.51-280,109,877.83-71,715,492.84

Finding the Fourth Proportional to 186,730,950.51, 280,109,877.83 and 71,715,492.84

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Solution

The fourth proportional to 186,730,950.51, 280,109,877.83 and 71,715,492.84 is: 107,578,405.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,730,950.51 : 280,109,877.83 = 71,715,492.84 : x
  2. Step 2: Convert to fraction form
    186,730,950.51/280,109,877.83 = 71,715,492.84/x
  3. Step 3: Cross multiply
    186,730,950.51x = 280,109,877.83 × 71,715,492.84
  4. Step 4: Simplify right side
    186,730,950.51x = 20,088,217,937,079,312
  5. Step 5: Solve for x
    x = 20,088,217,937,079,312/186,730,950.51
  6. Step 6: Final answer
    x = 107,578,405.63

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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.