Home / 87,574,443.84-120,832,643.52-52,285,373.28

Finding the Fourth Proportional to 87,574,443.84, 120,832,643.52 and 52,285,373.28

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Solution

The fourth proportional to 87,574,443.84, 120,832,643.52 and 52,285,373.28 is: 72,141,821.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,574,443.84 : 120,832,643.52 = 52,285,373.28 : x
  2. Step 2: Convert to fraction form
    87,574,443.84/120,832,643.52 = 52,285,373.28/x
  3. Step 3: Cross multiply
    87,574,443.84x = 120,832,643.52 × 52,285,373.28
  4. Step 4: Simplify right side
    87,574,443.84x = 6,317,779,870,852,373
  5. Step 5: Solve for x
    x = 6,317,779,870,852,373/87,574,443.84
  6. Step 6: Final answer
    x = 72,141,821.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.