Home / 156,298,017.51-234,482,737.55-54,061,968.87

Finding the Fourth Proportional to 156,298,017.51, 234,482,737.55 and 54,061,968.87

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Solution

The fourth proportional to 156,298,017.51, 234,482,737.55 and 54,061,968.87 is: 81,105,305.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,298,017.51 : 234,482,737.55 = 54,061,968.87 : x
  2. Step 2: Convert to fraction form
    156,298,017.51/234,482,737.55 = 54,061,968.87/x
  3. Step 3: Cross multiply
    156,298,017.51x = 234,482,737.55 × 54,061,968.87
  4. Step 4: Simplify right side
    156,298,017.51x = 12,676,598,457,710,168
  5. Step 5: Solve for x
    x = 12,676,598,457,710,168/156,298,017.51
  6. Step 6: Final answer
    x = 81,105,305.49

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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.