Home / 156,492,068.40-234,549,145.80-79,775,607.60

Finding the Fourth Proportional to 156,492,068.40, 234,549,145.80 and 79,775,607.60

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Solution

The fourth proportional to 156,492,068.40, 234,549,145.80 and 79,775,607.60 is: 119,567,086.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,492,068.40 : 234,549,145.80 = 79,775,607.60 : x
  2. Step 2: Convert to fraction form
    156,492,068.40/234,549,145.80 = 79,775,607.60/x
  3. Step 3: Cross multiply
    156,492,068.40x = 234,549,145.80 × 79,775,607.60
  4. Step 4: Simplify right side
    156,492,068.40x = 18,711,300,618,255,988
  5. Step 5: Solve for x
    x = 18,711,300,618,255,988/156,492,068.40
  6. Step 6: Final answer
    x = 119,567,086.11

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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.