Home / 77,875,189.02-116,730,409.77-29,332,038.78

Finding the Fourth Proportional to 77,875,189.02, 116,730,409.77 and 29,332,038.78

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Solution

The fourth proportional to 77,875,189.02, 116,730,409.77 and 29,332,038.78 is: 43,967,031.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,875,189.02 : 116,730,409.77 = 29,332,038.78 : x
  2. Step 2: Convert to fraction form
    77,875,189.02/116,730,409.77 = 29,332,038.78/x
  3. Step 3: Cross multiply
    77,875,189.02x = 116,730,409.77 × 29,332,038.78
  4. Step 4: Simplify right side
    77,875,189.02x = 3,423,940,906,178,931
  5. Step 5: Solve for x
    x = 3,423,940,906,178,931/77,875,189.02
  6. Step 6: Final answer
    x = 43,967,031.72

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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.