Home / 109,249,102.16-163,767,143.08-43,650,685.20

Finding the Fourth Proportional to 109,249,102.16, 163,767,143.08 and 43,650,685.20

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Solution

The fourth proportional to 109,249,102.16, 163,767,143.08 and 43,650,685.20 is: 65,433,471.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,249,102.16 : 163,767,143.08 = 43,650,685.20 : x
  2. Step 2: Convert to fraction form
    109,249,102.16/163,767,143.08 = 43,650,685.20/x
  3. Step 3: Cross multiply
    109,249,102.16x = 163,767,143.08 × 43,650,685.20
  4. Step 4: Simplify right side
    109,249,102.16x = 7,148,548,008,688,439
  5. Step 5: Solve for x
    x = 7,148,548,008,688,439/109,249,102.16
  6. Step 6: Final answer
    x = 65,433,471.46

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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.