Home / 155,492,235.30-214,575,177.69-85,876,117.86

Finding the Fourth Proportional to 155,492,235.30, 214,575,177.69 and 85,876,117.86

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Solution

The fourth proportional to 155,492,235.30, 214,575,177.69 and 85,876,117.86 is: 118,506,774.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,492,235.30 : 214,575,177.69 = 85,876,117.86 : x
  2. Step 2: Convert to fraction form
    155,492,235.30/214,575,177.69 = 85,876,117.86/x
  3. Step 3: Cross multiply
    155,492,235.30x = 214,575,177.69 × 85,876,117.86
  4. Step 4: Simplify right side
    155,492,235.30x = 18,426,883,249,136,884
  5. Step 5: Solve for x
    x = 18,426,883,249,136,884/155,492,235.30
  6. Step 6: Final answer
    x = 118,506,774.40

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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.