Home / 325,480,726.40-488,221,089.60-83,143,630.40

Finding the Fourth Proportional to 325,480,726.40, 488,221,089.60 and 83,143,630.40

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Solution

The fourth proportional to 325,480,726.40, 488,221,089.60 and 83,143,630.40 is: 124,715,445.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,480,726.40 : 488,221,089.60 = 83,143,630.40 : x
  2. Step 2: Convert to fraction form
    325,480,726.40/488,221,089.60 = 83,143,630.40/x
  3. Step 3: Cross multiply
    325,480,726.40x = 488,221,089.60 × 83,143,630.40
  4. Step 4: Simplify right side
    325,480,726.40x = 40,592,473,827,187,688
  5. Step 5: Solve for x
    x = 40,592,473,827,187,688/325,480,726.40
  6. Step 6: Final answer
    x = 124,715,445.60

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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.