Home / 156,565,893.47-216,048,332.82-90,490,671.41

Finding the Fourth Proportional to 156,565,893.47, 216,048,332.82 and 90,490,671.41

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Solution

The fourth proportional to 156,565,893.47, 216,048,332.82 and 90,490,671.41 is: 124,869,844.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,565,893.47 : 216,048,332.82 = 90,490,671.41 : x
  2. Step 2: Convert to fraction form
    156,565,893.47/216,048,332.82 = 90,490,671.41/x
  3. Step 3: Cross multiply
    156,565,893.47x = 216,048,332.82 × 90,490,671.41
  4. Step 4: Simplify right side
    156,565,893.47x = 19,550,358,692,812,696
  5. Step 5: Solve for x
    x = 19,550,358,692,812,696/156,565,893.47
  6. Step 6: Final answer
    x = 124,869,844.00

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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.