Home / 129,536,065.94-178,754,911.70-70,798,254.17

Finding the Fourth Proportional to 129,536,065.94, 178,754,911.70 and 70,798,254.17

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Solution

The fourth proportional to 129,536,065.94, 178,754,911.70 and 70,798,254.17 is: 97,698,934.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,536,065.94 : 178,754,911.70 = 70,798,254.17 : x
  2. Step 2: Convert to fraction form
    129,536,065.94/178,754,911.70 = 70,798,254.17/x
  3. Step 3: Cross multiply
    129,536,065.94x = 178,754,911.70 × 70,798,254.17
  4. Step 4: Simplify right side
    129,536,065.94x = 12,655,535,671,424,742
  5. Step 5: Solve for x
    x = 12,655,535,671,424,742/129,536,065.94
  6. Step 6: Final answer
    x = 97,698,934.89

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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.