Home / 97,009,968.30-145,514,952.45-66,398,966.70

Finding the Fourth Proportional to 97,009,968.30, 145,514,952.45 and 66,398,966.70

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Solution

The fourth proportional to 97,009,968.30, 145,514,952.45 and 66,398,966.70 is: 99,598,450.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,009,968.30 : 145,514,952.45 = 66,398,966.70 : x
  2. Step 2: Convert to fraction form
    97,009,968.30/145,514,952.45 = 66,398,966.70/x
  3. Step 3: Cross multiply
    97,009,968.30x = 145,514,952.45 × 66,398,966.70
  4. Step 4: Simplify right side
    97,009,968.30x = 9,662,042,482,079,634
  5. Step 5: Solve for x
    x = 9,662,042,482,079,634/97,009,968.30
  6. Step 6: Final answer
    x = 99,598,450.05

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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.