Home / 74,712,886.80-112,069,330.20-20,860,112.40

Finding the Fourth Proportional to 74,712,886.80, 112,069,330.20 and 20,860,112.40

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Solution

The fourth proportional to 74,712,886.80, 112,069,330.20 and 20,860,112.40 is: 31,290,168.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,712,886.80 : 112,069,330.20 = 20,860,112.40 : x
  2. Step 2: Convert to fraction form
    74,712,886.80/112,069,330.20 = 20,860,112.40/x
  3. Step 3: Cross multiply
    74,712,886.80x = 112,069,330.20 × 20,860,112.40
  4. Step 4: Simplify right side
    74,712,886.80x = 2,337,778,824,564,714.50
  5. Step 5: Solve for x
    x = 2,337,778,824,564,714.50/74,712,886.80
  6. Step 6: Final answer
    x = 31,290,168.60

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1.5x scale

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.