Home / 130,946,659.41-180,710,752.43-71,411,203.86

Finding the Fourth Proportional to 130,946,659.41, 180,710,752.43 and 71,411,203.86

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Solution

The fourth proportional to 130,946,659.41, 180,710,752.43 and 71,411,203.86 is: 98,549,840.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,946,659.41 : 180,710,752.43 = 71,411,203.86 : x
  2. Step 2: Convert to fraction form
    130,946,659.41/180,710,752.43 = 71,411,203.86/x
  3. Step 3: Cross multiply
    130,946,659.41x = 180,710,752.43 × 71,411,203.86
  4. Step 4: Simplify right side
    130,946,659.41x = 12,904,772,380,569,168
  5. Step 5: Solve for x
    x = 12,904,772,380,569,168/130,946,659.41
  6. Step 6: Final answer
    x = 98,549,840.36

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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.