Home / 100,931,699.16-139,285,868.76-54,521,953.74

Finding the Fourth Proportional to 100,931,699.16, 139,285,868.76 and 54,521,953.74

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Solution

The fourth proportional to 100,931,699.16, 139,285,868.76 and 54,521,953.74 is: 75,240,363.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,931,699.16 : 139,285,868.76 = 54,521,953.74 : x
  2. Step 2: Convert to fraction form
    100,931,699.16/139,285,868.76 = 54,521,953.74/x
  3. Step 3: Cross multiply
    100,931,699.16x = 139,285,868.76 × 54,521,953.74
  4. Step 4: Simplify right side
    100,931,699.16x = 7,594,137,693,168,431
  5. Step 5: Solve for x
    x = 7,594,137,693,168,431/100,931,699.16
  6. Step 6: Final answer
    x = 75,240,363.10

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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.