Home / 137,636,195.34-189,841,247.94-90,578,275.74

Finding the Fourth Proportional to 137,636,195.34, 189,841,247.94 and 90,578,275.74

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Solution

The fourth proportional to 137,636,195.34, 189,841,247.94 and 90,578,275.74 is: 124,934,381.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,636,195.34 : 189,841,247.94 = 90,578,275.74 : x
  2. Step 2: Convert to fraction form
    137,636,195.34/189,841,247.94 = 90,578,275.74/x
  3. Step 3: Cross multiply
    137,636,195.34x = 189,841,247.94 × 90,578,275.74
  4. Step 4: Simplify right side
    137,636,195.34x = 17,195,492,902,735,026
  5. Step 5: Solve for x
    x = 17,195,492,902,735,026/137,636,195.34
  6. Step 6: Final answer
    x = 124,934,381.25

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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.