Home / 68,574,502.74-102,890,577.36-42,688,466.82

Finding the Fourth Proportional to 68,574,502.74, 102,890,577.36 and 42,688,466.82

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Solution

The fourth proportional to 68,574,502.74, 102,890,577.36 and 42,688,466.82 is: 64,050,643.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,574,502.74 : 102,890,577.36 = 42,688,466.82 : x
  2. Step 2: Convert to fraction form
    68,574,502.74/102,890,577.36 = 42,688,466.82/x
  3. Step 3: Cross multiply
    68,574,502.74x = 102,890,577.36 × 42,688,466.82
  4. Step 4: Simplify right side
    68,574,502.74x = 4,392,240,997,723,003
  5. Step 5: Solve for x
    x = 4,392,240,997,723,003/68,574,502.74
  6. Step 6: Final answer
    x = 64,050,643.06

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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.