Home / 134,764,261.31-185,974,678.47-72,884,599.67

Finding the Fourth Proportional to 134,764,261.31, 185,974,678.47 and 72,884,599.67

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Solution

The fourth proportional to 134,764,261.31, 185,974,678.47 and 72,884,599.67 is: 100,580,746.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,764,261.31 : 185,974,678.47 = 72,884,599.67 : x
  2. Step 2: Convert to fraction form
    134,764,261.31/185,974,678.47 = 72,884,599.67/x
  3. Step 3: Cross multiply
    134,764,261.31x = 185,974,678.47 × 72,884,599.67
  4. Step 4: Simplify right side
    134,764,261.31x = 13,554,689,988,113,046
  5. Step 5: Solve for x
    x = 13,554,689,988,113,046/134,764,261.31
  6. Step 6: Final answer
    x = 100,580,746.39

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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.