Home / 143,547,505.40-215,310,811.52-56,092,641.32

Finding the Fourth Proportional to 143,547,505.40, 215,310,811.52 and 56,092,641.32

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Solution

The fourth proportional to 143,547,505.40, 215,310,811.52 and 56,092,641.32 is: 84,134,879.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,547,505.40 : 215,310,811.52 = 56,092,641.32 : x
  2. Step 2: Convert to fraction form
    143,547,505.40/215,310,811.52 = 56,092,641.32/x
  3. Step 3: Cross multiply
    143,547,505.40x = 215,310,811.52 × 56,092,641.32
  4. Step 4: Simplify right side
    143,547,505.40x = 12,077,352,122,909,484
  5. Step 5: Solve for x
    x = 12,077,352,122,909,484/143,547,505.40
  6. Step 6: Final answer
    x = 84,134,879.87

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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.