Home / 155,356,667.61-233,065,700.28-56,989,287.78

Finding the Fourth Proportional to 155,356,667.61, 233,065,700.28 and 56,989,287.78

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Solution

The fourth proportional to 155,356,667.61, 233,065,700.28 and 56,989,287.78 is: 85,495,192.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,356,667.61 : 233,065,700.28 = 56,989,287.78 : x
  2. Step 2: Convert to fraction form
    155,356,667.61/233,065,700.28 = 56,989,287.78/x
  3. Step 3: Cross multiply
    155,356,667.61x = 233,065,700.28 × 56,989,287.78
  4. Step 4: Simplify right side
    155,356,667.61x = 13,282,248,264,904,146
  5. Step 5: Solve for x
    x = 13,282,248,264,904,146/155,356,667.61
  6. Step 6: Final answer
    x = 85,495,192.90

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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.