Home / 156,492,012.40-234,549,061.80-79,775,551.60

Finding the Fourth Proportional to 156,492,012.40, 234,549,061.80 and 79,775,551.60

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Solution

The fourth proportional to 156,492,012.40, 234,549,061.80 and 79,775,551.60 is: 119,567,002.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,492,012.40 : 234,549,061.80 = 79,775,551.60 : x
  2. Step 2: Convert to fraction form
    156,492,012.40/234,549,061.80 = 79,775,551.60/x
  3. Step 3: Cross multiply
    156,492,012.40x = 234,549,061.80 × 79,775,551.60
  4. Step 4: Simplify right side
    156,492,012.40x = 18,711,280,782,357,488
  5. Step 5: Solve for x
    x = 18,711,280,782,357,488/156,492,012.40
  6. Step 6: Final answer
    x = 119,567,002.15

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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.