Home / 140,210,062.40-193,490,486.50-76,631,685.81

Finding the Fourth Proportional to 140,210,062.40, 193,490,486.50 and 76,631,685.81

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Solution

The fourth proportional to 140,210,062.40, 193,490,486.50 and 76,631,685.81 is: 105,752,054.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,210,062.40 : 193,490,486.50 = 76,631,685.81 : x
  2. Step 2: Convert to fraction form
    140,210,062.40/193,490,486.50 = 76,631,685.81/x
  3. Step 3: Cross multiply
    140,210,062.40x = 193,490,486.50 × 76,631,685.81
  4. Step 4: Simplify right side
    140,210,062.40x = 14,827,502,168,298,656
  5. Step 5: Solve for x
    x = 14,827,502,168,298,656/140,210,062.40
  6. Step 6: Final answer
    x = 105,752,054.56

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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.