Home / 145,562,416.34-200,877,105.67-79,483,373.42

Finding the Fourth Proportional to 145,562,416.34, 200,877,105.67 and 79,483,373.42

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Solution

The fourth proportional to 145,562,416.34, 200,877,105.67 and 79,483,373.42 is: 109,687,585.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,562,416.34 : 200,877,105.67 = 79,483,373.42 : x
  2. Step 2: Convert to fraction form
    145,562,416.34/200,877,105.67 = 79,483,373.42/x
  3. Step 3: Cross multiply
    145,562,416.34x = 200,877,105.67 × 79,483,373.42
  4. Step 4: Simplify right side
    145,562,416.34x = 15,966,390,000,294,316
  5. Step 5: Solve for x
    x = 15,966,390,000,294,316/145,562,416.34
  6. Step 6: Final answer
    x = 109,687,585.59

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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.