Home / 193,341,710.40-290,012,565.60-107,345,371.20

Finding the Fourth Proportional to 193,341,710.40, 290,012,565.60 and 107,345,371.20

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Solution

The fourth proportional to 193,341,710.40, 290,012,565.60 and 107,345,371.20 is: 161,018,056.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,341,710.40 : 290,012,565.60 = 107,345,371.20 : x
  2. Step 2: Convert to fraction form
    193,341,710.40/290,012,565.60 = 107,345,371.20/x
  3. Step 3: Cross multiply
    193,341,710.40x = 290,012,565.60 × 107,345,371.20
  4. Step 4: Simplify right side
    193,341,710.40x = 31,131,506,506,996,356
  5. Step 5: Solve for x
    x = 31,131,506,506,996,356/193,341,710.40
  6. Step 6: Final answer
    x = 161,018,056.80

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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.