Home / 145,823,492.32-218,756,988.48-53,700,147.04

Finding the Fourth Proportional to 145,823,492.32, 218,756,988.48 and 53,700,147.04

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Solution

The fourth proportional to 145,823,492.32, 218,756,988.48 and 53,700,147.04 is: 80,558,230.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,823,492.32 : 218,756,988.48 = 53,700,147.04 : x
  2. Step 2: Convert to fraction form
    145,823,492.32/218,756,988.48 = 53,700,147.04/x
  3. Step 3: Cross multiply
    145,823,492.32x = 218,756,988.48 × 53,700,147.04
  4. Step 4: Simplify right side
    145,823,492.32x = 11,747,282,447,403,586
  5. Step 5: Solve for x
    x = 11,747,282,447,403,586/145,823,492.32
  6. Step 6: Final answer
    x = 80,558,230.09

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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.