Home / 140,186,858.10-210,280,287.15-49,298,637.30

Finding the Fourth Proportional to 140,186,858.10, 210,280,287.15 and 49,298,637.30

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Solution

The fourth proportional to 140,186,858.10, 210,280,287.15 and 49,298,637.30 is: 73,947,955.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,186,858.10 : 210,280,287.15 = 49,298,637.30 : x
  2. Step 2: Convert to fraction form
    140,186,858.10/210,280,287.15 = 49,298,637.30/x
  3. Step 3: Cross multiply
    140,186,858.10x = 210,280,287.15 × 49,298,637.30
  4. Step 4: Simplify right side
    140,186,858.10x = 10,366,531,607,547,700
  5. Step 5: Solve for x
    x = 10,366,531,607,547,700/140,186,858.10
  6. Step 6: Final answer
    x = 73,947,955.95

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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.