Home / 272,712,326.15-376,344,159.40-153,636,347.06

Finding the Fourth Proportional to 272,712,326.15, 376,344,159.40 and 153,636,347.06

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Solution

The fourth proportional to 272,712,326.15, 376,344,159.40 and 153,636,347.06 is: 212,018,806.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,712,326.15 : 376,344,159.40 = 153,636,347.06 : x
  2. Step 2: Convert to fraction form
    272,712,326.15/376,344,159.40 = 153,636,347.06/x
  3. Step 3: Cross multiply
    272,712,326.15x = 376,344,159.40 × 153,636,347.06
  4. Step 4: Simplify right side
    272,712,326.15x = 57,820,141,887,303,976
  5. Step 5: Solve for x
    x = 57,820,141,887,303,976/272,712,326.15
  6. Step 6: Final answer
    x = 212,018,806.42

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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.