Home / 133,127,648.85-183,712,631.12-74,390,796.63

Finding the Fourth Proportional to 133,127,648.85, 183,712,631.12 and 74,390,796.63

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Solution

The fourth proportional to 133,127,648.85, 183,712,631.12 and 74,390,796.63 is: 102,657,330.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,127,648.85 : 183,712,631.12 = 74,390,796.63 : x
  2. Step 2: Convert to fraction form
    133,127,648.85/183,712,631.12 = 74,390,796.63/x
  3. Step 3: Cross multiply
    133,127,648.85x = 183,712,631.12 × 74,390,796.63
  4. Step 4: Simplify right side
    133,127,648.85x = 13,666,528,980,335,216
  5. Step 5: Solve for x
    x = 13,666,528,980,335,216/133,127,648.85
  6. Step 6: Final answer
    x = 102,657,330.00

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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.