Home / 143,736,237.60-215,604,356.40-121,061,421.60

Finding the Fourth Proportional to 143,736,237.60, 215,604,356.40 and 121,061,421.60

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Solution

The fourth proportional to 143,736,237.60, 215,604,356.40 and 121,061,421.60 is: 181,592,132.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,736,237.60 : 215,604,356.40 = 121,061,421.60 : x
  2. Step 2: Convert to fraction form
    143,736,237.60/215,604,356.40 = 121,061,421.60/x
  3. Step 3: Cross multiply
    143,736,237.60x = 215,604,356.40 × 121,061,421.60
  4. Step 4: Simplify right side
    143,736,237.60x = 26,101,369,888,937,056
  5. Step 5: Solve for x
    x = 26,101,369,888,937,056/143,736,237.60
  6. Step 6: Final answer
    x = 181,592,132.40

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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.