Home / 131,036,030.48-180,835,191.24-72,302,505.68

Finding the Fourth Proportional to 131,036,030.48, 180,835,191.24 and 72,302,505.68

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Solution

The fourth proportional to 131,036,030.48, 180,835,191.24 and 72,302,505.68 is: 99,780,475.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,036,030.48 : 180,835,191.24 = 72,302,505.68 : x
  2. Step 2: Convert to fraction form
    131,036,030.48/180,835,191.24 = 72,302,505.68/x
  3. Step 3: Cross multiply
    131,036,030.48x = 180,835,191.24 × 72,302,505.68
  4. Step 4: Simplify right side
    131,036,030.48x = 13,074,837,441,773,988
  5. Step 5: Solve for x
    x = 13,074,837,441,773,988/131,036,030.48
  6. Step 6: Final answer
    x = 99,780,475.60

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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.