Home / 78,039,060.30-107,686,054.65-43,225,246.13

Finding the Fourth Proportional to 78,039,060.30, 107,686,054.65 and 43,225,246.13

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Solution

The fourth proportional to 78,039,060.30, 107,686,054.65 and 43,225,246.13 is: 59,646,492.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,039,060.30 : 107,686,054.65 = 43,225,246.13 : x
  2. Step 2: Convert to fraction form
    78,039,060.30/107,686,054.65 = 43,225,246.13/x
  3. Step 3: Cross multiply
    78,039,060.30x = 107,686,054.65 × 43,225,246.13
  4. Step 4: Simplify right side
    78,039,060.30x = 4,654,756,217,014,882
  5. Step 5: Solve for x
    x = 4,654,756,217,014,882/78,039,060.30
  6. Step 6: Final answer
    x = 59,646,492.40

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Double scale
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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.