Home / 139,713,065.40-209,569,598.10-48,827,177.40

Finding the Fourth Proportional to 139,713,065.40, 209,569,598.10 and 48,827,177.40

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Solution

The fourth proportional to 139,713,065.40, 209,569,598.10 and 48,827,177.40 is: 73,240,766.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,713,065.40 : 209,569,598.10 = 48,827,177.40 : x
  2. Step 2: Convert to fraction form
    139,713,065.40/209,569,598.10 = 48,827,177.40/x
  3. Step 3: Cross multiply
    139,713,065.40x = 209,569,598.10 × 48,827,177.40
  4. Step 4: Simplify right side
    139,713,065.40x = 10,232,691,944,075,402
  5. Step 5: Solve for x
    x = 10,232,691,944,075,402/139,713,065.40
  6. Step 6: Final answer
    x = 73,240,766.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.