Home / 163,831,090.10-245,746,635.15-42,662,542.10

Finding the Fourth Proportional to 163,831,090.10, 245,746,635.15 and 42,662,542.10

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Solution

The fourth proportional to 163,831,090.10, 245,746,635.15 and 42,662,542.10 is: 63,993,813.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,831,090.10 : 245,746,635.15 = 42,662,542.10 : x
  2. Step 2: Convert to fraction form
    163,831,090.10/245,746,635.15 = 42,662,542.10/x
  3. Step 3: Cross multiply
    163,831,090.10x = 245,746,635.15 × 42,662,542.10
  4. Step 4: Simplify right side
    163,831,090.10x = 10,484,176,168,020,216
  5. Step 5: Solve for x
    x = 10,484,176,168,020,216/163,831,090.10
  6. Step 6: Final answer
    x = 63,993,813.15

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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.