Home / 83,402,151.71-115,095,905.60-47,643,328.22

Finding the Fourth Proportional to 83,402,151.71, 115,095,905.60 and 47,643,328.22

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Solution

The fourth proportional to 83,402,151.71, 115,095,905.60 and 47,643,328.22 is: 65,748,327.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,402,151.71 : 115,095,905.60 = 47,643,328.22 : x
  2. Step 2: Convert to fraction form
    83,402,151.71/115,095,905.60 = 47,643,328.22/x
  3. Step 3: Cross multiply
    83,402,151.71x = 115,095,905.60 × 47,643,328.22
  4. Step 4: Simplify right side
    83,402,151.71x = 5,483,552,006,465,240
  5. Step 5: Solve for x
    x = 5,483,552,006,465,240/83,402,151.71
  6. Step 6: Final answer
    x = 65,748,327.76

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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.