Home / 103,695,344,327.96-143,122,596,006.88-63,041,617,415.64

Finding the Fourth Proportional to 103,695,344,327.96, 143,122,596,006.88 and 63,041,617,415.64

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Solution

The fourth proportional to 103,695,344,327.96, 143,122,596,006.88 and 63,041,617,415.64 is: 87,011,427,557.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,695,344,327.96 : 143,122,596,006.88 = 63,041,617,415.64 : x
  2. Step 2: Convert to fraction form
    103,695,344,327.96/143,122,596,006.88 = 63,041,617,415.64/x
  3. Step 3: Cross multiply
    103,695,344,327.96x = 143,122,596,006.88 × 63,041,617,415.64
  4. Step 4: Simplify right side
    103,695,344,327.96x = 9,022,679,940,998,934,560,768
  5. Step 5: Solve for x
    x = 9,022,679,940,998,934,560,768/103,695,344,327.96
  6. Step 6: Final answer
    x = 87,011,427,557.08

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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.