Home / 118,792,394.03-163,933,856.88-65,872,829.80

Finding the Fourth Proportional to 118,792,394.03, 163,933,856.88 and 65,872,829.80

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Solution

The fourth proportional to 118,792,394.03, 163,933,856.88 and 65,872,829.80 is: 90,904,700.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,792,394.03 : 163,933,856.88 = 65,872,829.80 : x
  2. Step 2: Convert to fraction form
    118,792,394.03/163,933,856.88 = 65,872,829.80/x
  3. Step 3: Cross multiply
    118,792,394.03x = 163,933,856.88 × 65,872,829.80
  4. Step 4: Simplify right side
    118,792,394.03x = 10,798,787,051,894,130
  5. Step 5: Solve for x
    x = 10,798,787,051,894,130/118,792,394.03
  6. Step 6: Final answer
    x = 90,904,700.93

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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.