Home / 103,695,344,300.81-143,122,595,969.45-63,041,617,388.50

Finding the Fourth Proportional to 103,695,344,300.81, 143,122,595,969.45 and 63,041,617,388.50

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Solution

The fourth proportional to 103,695,344,300.81, 143,122,595,969.45 and 63,041,617,388.50 is: 87,011,427,519.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,695,344,300.81 : 143,122,595,969.45 = 63,041,617,388.50 : x
  2. Step 2: Convert to fraction form
    103,695,344,300.81/143,122,595,969.45 = 63,041,617,388.50/x
  3. Step 3: Cross multiply
    103,695,344,300.81x = 143,122,595,969.45 × 63,041,617,388.50
  4. Step 4: Simplify right side
    103,695,344,300.81x = 9,022,679,934,754,225,127,424
  5. Step 5: Solve for x
    x = 9,022,679,934,754,225,127,424/103,695,344,300.81
  6. Step 6: Final answer
    x = 87,011,427,519.64

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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.