Home / 58,152,074.10-80,249,878.93-31,690,435.20

Finding the Fourth Proportional to 58,152,074.10, 80,249,878.93 and 31,690,435.20

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Solution

The fourth proportional to 58,152,074.10, 80,249,878.93 and 31,690,435.20 is: 43,732,809.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,152,074.10 : 80,249,878.93 = 31,690,435.20 : x
  2. Step 2: Convert to fraction form
    58,152,074.10/80,249,878.93 = 31,690,435.20/x
  3. Step 3: Cross multiply
    58,152,074.10x = 80,249,878.93 × 31,690,435.20
  4. Step 4: Simplify right side
    58,152,074.10x = 2,543,153,588,039,010.50
  5. Step 5: Solve for x
    x = 2,543,153,588,039,010.50/58,152,074.10
  6. Step 6: Final answer
    x = 43,732,809.66

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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.