Home / 74,908,763.50-112,363,145.26-21,056,075.50

Finding the Fourth Proportional to 74,908,763.50, 112,363,145.26 and 21,056,075.50

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Solution

The fourth proportional to 74,908,763.50, 112,363,145.26 and 21,056,075.50 is: 31,584,113.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,908,763.50 : 112,363,145.26 = 21,056,075.50 : x
  2. Step 2: Convert to fraction form
    74,908,763.50/112,363,145.26 = 21,056,075.50/x
  3. Step 3: Cross multiply
    74,908,763.50x = 112,363,145.26 × 21,056,075.50
  4. Step 4: Simplify right side
    74,908,763.50x = 2,365,926,870,012,027
  5. Step 5: Solve for x
    x = 2,365,926,870,012,027/74,908,763.50
  6. Step 6: Final answer
    x = 31,584,113.25

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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.