Home / 78,909,705-118,364,557.50-22,176,009

Finding the Fourth Proportional to 78,909,705, 118,364,557.50 and 22,176,009

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Solution

The fourth proportional to 78,909,705, 118,364,557.50 and 22,176,009 is: 33,264,013.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,909,705 : 118,364,557.50 = 22,176,009 : x
  2. Step 2: Convert to fraction form
    78,909,705/118,364,557.50 = 22,176,009/x
  3. Step 3: Cross multiply
    78,909,705x = 118,364,557.50 × 22,176,009
  4. Step 4: Simplify right side
    78,909,705x = 2,624,853,492,401,017.50
  5. Step 5: Solve for x
    x = 2,624,853,492,401,017.50/78,909,705
  6. Step 6: Final answer
    x = 33,264,013.50

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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.