Home / 78,019,724.58-116,938,946.60-29,466,684.34

Finding the Fourth Proportional to 78,019,724.58, 116,938,946.60 and 29,466,684.34

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Solution

The fourth proportional to 78,019,724.58, 116,938,946.60 and 29,466,684.34 is: 44,165,793.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,019,724.58 : 116,938,946.60 = 29,466,684.34 : x
  2. Step 2: Convert to fraction form
    78,019,724.58/116,938,946.60 = 29,466,684.34/x
  3. Step 3: Cross multiply
    78,019,724.58x = 116,938,946.60 × 29,466,684.34
  4. Step 4: Simplify right side
    78,019,724.58x = 3,445,803,026,514,316
  5. Step 5: Solve for x
    x = 3,445,803,026,514,316/78,019,724.58
  6. Step 6: Final answer
    x = 44,165,793.27

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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.