Home / 163,366,955-225,439,838.12-89,025,931.08

Finding the Fourth Proportional to 163,366,955, 225,439,838.12 and 89,025,931.08

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Solution

The fourth proportional to 163,366,955, 225,439,838.12 and 89,025,931.08 is: 122,852,210.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,366,955 : 225,439,838.12 = 89,025,931.08 : x
  2. Step 2: Convert to fraction form
    163,366,955/225,439,838.12 = 89,025,931.08/x
  3. Step 3: Cross multiply
    163,366,955x = 225,439,838.12 × 89,025,931.08
  4. Step 4: Simplify right side
    163,366,955x = 20,069,991,491,157,476
  5. Step 5: Solve for x
    x = 20,069,991,491,157,476/163,366,955
  6. Step 6: Final answer
    x = 122,852,210.17

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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.