Home / 127,890,384.31-176,488,605.93-69,152,908.87

Finding the Fourth Proportional to 127,890,384.31, 176,488,605.93 and 69,152,908.87

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Solution

The fourth proportional to 127,890,384.31, 176,488,605.93 and 69,152,908.87 is: 95,430,946.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,890,384.31 : 176,488,605.93 = 69,152,908.87 : x
  2. Step 2: Convert to fraction form
    127,890,384.31/176,488,605.93 = 69,152,908.87/x
  3. Step 3: Cross multiply
    127,890,384.31x = 176,488,605.93 × 69,152,908.87
  4. Step 4: Simplify right side
    127,890,384.31x = 12,204,700,482,470,632
  5. Step 5: Solve for x
    x = 12,204,700,482,470,632/127,890,384.31
  6. Step 6: Final answer
    x = 95,430,946.97

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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.