Home / 124,216,468.95-171,411,730.67-68,461,719.51

Finding the Fourth Proportional to 124,216,468.95, 171,411,730.67 and 68,461,719.51

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Solution

The fourth proportional to 124,216,468.95, 171,411,730.67 and 68,461,719.51 is: 94,473,316.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,216,468.95 : 171,411,730.67 = 68,461,719.51 : x
  2. Step 2: Convert to fraction form
    124,216,468.95/171,411,730.67 = 68,461,719.51/x
  3. Step 3: Cross multiply
    124,216,468.95x = 171,411,730.67 × 68,461,719.51
  4. Step 4: Simplify right side
    124,216,468.95x = 11,735,141,825,510,896
  5. Step 5: Solve for x
    x = 11,735,141,825,510,896/124,216,468.95
  6. Step 6: Final answer
    x = 94,473,316.82

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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.