Home / 247,385,020-370,913,752.84-118,012,597.60

Finding the Fourth Proportional to 247,385,020, 370,913,752.84 and 118,012,597.60

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Solution

The fourth proportional to 247,385,020, 370,913,752.84 and 118,012,597.60 is: 176,940,768.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,385,020 : 370,913,752.84 = 118,012,597.60 : x
  2. Step 2: Convert to fraction form
    247,385,020/370,913,752.84 = 118,012,597.60/x
  3. Step 3: Cross multiply
    247,385,020x = 370,913,752.84 × 118,012,597.60
  4. Step 4: Simplify right side
    247,385,020x = 43,772,495,458,212,768
  5. Step 5: Solve for x
    x = 43,772,495,458,212,768/247,385,020
  6. Step 6: Final answer
    x = 176,940,768.11

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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.