Home / 130,946,659.01-180,710,751.88-71,411,203.46

Finding the Fourth Proportional to 130,946,659.01, 180,710,751.88 and 71,411,203.46

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Solution

The fourth proportional to 130,946,659.01, 180,710,751.88 and 71,411,203.46 is: 98,549,839.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,946,659.01 : 180,710,751.88 = 71,411,203.46 : x
  2. Step 2: Convert to fraction form
    130,946,659.01/180,710,751.88 = 71,411,203.46/x
  3. Step 3: Cross multiply
    130,946,659.01x = 180,710,751.88 × 71,411,203.46
  4. Step 4: Simplify right side
    130,946,659.01x = 12,904,772,269,201,424
  5. Step 5: Solve for x
    x = 12,904,772,269,201,424/130,946,659.01
  6. Step 6: Final answer
    x = 98,549,839.81

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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.