Home / 99,816,187.40-149,724,281.10-48,671,880.20

Finding the Fourth Proportional to 99,816,187.40, 149,724,281.10 and 48,671,880.20

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Solution

The fourth proportional to 99,816,187.40, 149,724,281.10 and 48,671,880.20 is: 73,007,820.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,816,187.40 : 149,724,281.10 = 48,671,880.20 : x
  2. Step 2: Convert to fraction form
    99,816,187.40/149,724,281.10 = 48,671,880.20/x
  3. Step 3: Cross multiply
    99,816,187.40x = 149,724,281.10 × 48,671,880.20
  4. Step 4: Simplify right side
    99,816,187.40x = 7,287,362,272,730,324
  5. Step 5: Solve for x
    x = 7,287,362,272,730,324/99,816,187.40
  6. Step 6: Final answer
    x = 73,007,820.30

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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.