Home / 130,832,445.60-180,549,985.50-72,097,212.60

Finding the Fourth Proportional to 130,832,445.60, 180,549,985.50 and 72,097,212.60

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Solution

The fourth proportional to 130,832,445.60, 180,549,985.50 and 72,097,212.60 is: 99,494,820.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,832,445.60 : 180,549,985.50 = 72,097,212.60 : x
  2. Step 2: Convert to fraction form
    130,832,445.60/180,549,985.50 = 72,097,212.60/x
  3. Step 3: Cross multiply
    130,832,445.60x = 180,549,985.50 × 72,097,212.60
  4. Step 4: Simplify right side
    130,832,445.60x = 13,017,150,689,520,416
  5. Step 5: Solve for x
    x = 13,017,150,689,520,416/130,832,445.60
  6. Step 6: Final answer
    x = 99,494,820.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.