Home / 113,513,391.17-156,648,473.81-61,302,421.80

Finding the Fourth Proportional to 113,513,391.17, 156,648,473.81 and 61,302,421.80

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Solution

The fourth proportional to 113,513,391.17, 156,648,473.81 and 61,302,421.80 is: 84,597,338.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,513,391.17 : 156,648,473.81 = 61,302,421.80 : x
  2. Step 2: Convert to fraction form
    113,513,391.17/156,648,473.81 = 61,302,421.80/x
  3. Step 3: Cross multiply
    113,513,391.17x = 156,648,473.81 × 61,302,421.80
  4. Step 4: Simplify right side
    113,513,391.17x = 9,602,930,815,980,128
  5. Step 5: Solve for x
    x = 9,602,930,815,980,128/113,513,391.17
  6. Step 6: Final answer
    x = 84,597,338.84

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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.