Home / 90,685,068.64-125,105,985.91-57,627,617.76

Finding the Fourth Proportional to 90,685,068.64, 125,105,985.91 and 57,627,617.76

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Solution

The fourth proportional to 90,685,068.64, 125,105,985.91 and 57,627,617.76 is: 79,501,069.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,685,068.64 : 125,105,985.91 = 57,627,617.76 : x
  2. Step 2: Convert to fraction form
    90,685,068.64/125,105,985.91 = 57,627,617.76/x
  3. Step 3: Cross multiply
    90,685,068.64x = 125,105,985.91 × 57,627,617.76
  4. Step 4: Simplify right side
    90,685,068.64x = 7,209,559,935,509,425
  5. Step 5: Solve for x
    x = 7,209,559,935,509,425/90,685,068.64
  6. Step 6: Final answer
    x = 79,501,069.40

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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.