Home / 126,355,159.47-174,359,298.02-72,711,558.39

Finding the Fourth Proportional to 126,355,159.47, 174,359,298.02 and 72,711,558.39

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Solution

The fourth proportional to 126,355,159.47, 174,359,298.02 and 72,711,558.39 is: 100,335,722.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,355,159.47 : 174,359,298.02 = 72,711,558.39 : x
  2. Step 2: Convert to fraction form
    126,355,159.47/174,359,298.02 = 72,711,558.39/x
  3. Step 3: Cross multiply
    126,355,159.47x = 174,359,298.02 × 72,711,558.39
  4. Step 4: Simplify right side
    126,355,159.47x = 12,677,936,278,457,082
  5. Step 5: Solve for x
    x = 12,677,936,278,457,082/126,355,159.47
  6. Step 6: Final answer
    x = 100,335,722.99

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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.