Home / 120,050,376.48-180,316,617.12-71,622,848.16

Finding the Fourth Proportional to 120,050,376.48, 180,316,617.12 and 71,622,848.16

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Solution

The fourth proportional to 120,050,376.48, 180,316,617.12 and 71,622,848.16 is: 107,578,085.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,050,376.48 : 180,316,617.12 = 71,622,848.16 : x
  2. Step 2: Convert to fraction form
    120,050,376.48/180,316,617.12 = 71,622,848.16/x
  3. Step 3: Cross multiply
    120,050,376.48x = 180,316,617.12 × 71,622,848.16
  4. Step 4: Simplify right side
    120,050,376.48x = 12,914,789,688,710,616
  5. Step 5: Solve for x
    x = 12,914,789,688,710,616/120,050,376.48
  6. Step 6: Final answer
    x = 107,578,085.70

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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.