Home / 97,009,731.80-145,514,597.70-66,398,730.20

Finding the Fourth Proportional to 97,009,731.80, 145,514,597.70 and 66,398,730.20

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Solution

The fourth proportional to 97,009,731.80, 145,514,597.70 and 66,398,730.20 is: 99,598,095.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,009,731.80 : 145,514,597.70 = 66,398,730.20 : x
  2. Step 2: Convert to fraction form
    97,009,731.80/145,514,597.70 = 66,398,730.20/x
  3. Step 3: Cross multiply
    97,009,731.80x = 145,514,597.70 × 66,398,730.20
  4. Step 4: Simplify right side
    97,009,731.80x = 9,661,984,512,843,840
  5. Step 5: Solve for x
    x = 9,661,984,512,843,840/97,009,731.80
  6. Step 6: Final answer
    x = 99,598,095.30

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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.