Home / 99,848,875.20-149,773,312.80-83,724,561.60

Finding the Fourth Proportional to 99,848,875.20, 149,773,312.80 and 83,724,561.60

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Solution

The fourth proportional to 99,848,875.20, 149,773,312.80 and 83,724,561.60 is: 125,586,842.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,848,875.20 : 149,773,312.80 = 83,724,561.60 : x
  2. Step 2: Convert to fraction form
    99,848,875.20/149,773,312.80 = 83,724,561.60/x
  3. Step 3: Cross multiply
    99,848,875.20x = 149,773,312.80 × 83,724,561.60
  4. Step 4: Simplify right side
    99,848,875.20x = 12,539,704,953,559,668
  5. Step 5: Solve for x
    x = 12,539,704,953,559,668/99,848,875.20
  6. Step 6: Final answer
    x = 125,586,842.40

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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.