Home / 99,812,030.60-149,774,033.10-42,294,513.80

Finding the Fourth Proportional to 99,812,030.60, 149,774,033.10 and 42,294,513.80

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Solution

The fourth proportional to 99,812,030.60, 149,774,033.10 and 42,294,513.80 is: 63,465,494.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,812,030.60 : 149,774,033.10 = 42,294,513.80 : x
  2. Step 2: Convert to fraction form
    99,812,030.60/149,774,033.10 = 42,294,513.80/x
  3. Step 3: Cross multiply
    99,812,030.60x = 149,774,033.10 × 42,294,513.80
  4. Step 4: Simplify right side
    99,812,030.60x = 6,334,619,909,829,606
  5. Step 5: Solve for x
    x = 6,334,619,909,829,606/99,812,030.60
  6. Step 6: Final answer
    x = 63,465,494.81

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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.