Home / 99,164,047.40-148,746,071.10-76,205,796.20

Finding the Fourth Proportional to 99,164,047.40, 148,746,071.10 and 76,205,796.20

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Solution

The fourth proportional to 99,164,047.40, 148,746,071.10 and 76,205,796.20 is: 114,308,694.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,164,047.40 : 148,746,071.10 = 76,205,796.20 : x
  2. Step 2: Convert to fraction form
    99,164,047.40/148,746,071.10 = 76,205,796.20/x
  3. Step 3: Cross multiply
    99,164,047.40x = 148,746,071.10 × 76,205,796.20
  4. Step 4: Simplify right side
    99,164,047.40x = 11,335,312,779,797,310
  5. Step 5: Solve for x
    x = 11,335,312,779,797,310/99,164,047.40
  6. Step 6: Final answer
    x = 114,308,694.30

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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.