Home / 79,518,358.40-119,277,537.60-64,401,814.40

Finding the Fourth Proportional to 79,518,358.40, 119,277,537.60 and 64,401,814.40

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Solution

The fourth proportional to 79,518,358.40, 119,277,537.60 and 64,401,814.40 is: 96,602,721.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,518,358.40 : 119,277,537.60 = 64,401,814.40 : x
  2. Step 2: Convert to fraction form
    79,518,358.40/119,277,537.60 = 64,401,814.40/x
  3. Step 3: Cross multiply
    79,518,358.40x = 119,277,537.60 × 64,401,814.40
  4. Step 4: Simplify right side
    79,518,358.40x = 7,681,689,838,604,221
  5. Step 5: Solve for x
    x = 7,681,689,838,604,221/79,518,358.40
  6. Step 6: Final answer
    x = 96,602,721.60

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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.