Home / 282,280,864.79-423,374,333.34-85,497,491.93

Finding the Fourth Proportional to 282,280,864.79, 423,374,333.34 and 85,497,491.93

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Solution

The fourth proportional to 282,280,864.79, 423,374,333.34 and 85,497,491.93 is: 128,232,013.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,280,864.79 : 423,374,333.34 = 85,497,491.93 : x
  2. Step 2: Convert to fraction form
    282,280,864.79/423,374,333.34 = 85,497,491.93/x
  3. Step 3: Cross multiply
    282,280,864.79x = 423,374,333.34 × 85,497,491.93
  4. Step 4: Simplify right side
    282,280,864.79x = 36,197,443,648,105,784
  5. Step 5: Solve for x
    x = 36,197,443,648,105,784/282,280,864.79
  6. Step 6: Final answer
    x = 128,232,013.44

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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.