Home / 108,634,639.68-149,912,812.80-59,742,069.12

Finding the Fourth Proportional to 108,634,639.68, 149,912,812.80 and 59,742,069.12

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Solution

The fourth proportional to 108,634,639.68, 149,912,812.80 and 59,742,069.12 is: 82,442,411.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,634,639.68 : 149,912,812.80 = 59,742,069.12 : x
  2. Step 2: Convert to fraction form
    108,634,639.68/149,912,812.80 = 59,742,069.12/x
  3. Step 3: Cross multiply
    108,634,639.68x = 149,912,812.80 × 59,742,069.12
  4. Step 4: Simplify right side
    108,634,639.68x = 8,956,101,624,271,221
  5. Step 5: Solve for x
    x = 8,956,101,624,271,221/108,634,639.68
  6. Step 6: Final answer
    x = 82,442,411.10

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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.