Home / 85,636,766.34-118,178,854.47-46,478,543.76

Finding the Fourth Proportional to 85,636,766.34, 118,178,854.47 and 46,478,543.76

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Solution

The fourth proportional to 85,636,766.34, 118,178,854.47 and 46,478,543.76 is: 64,140,453.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,636,766.34 : 118,178,854.47 = 46,478,543.76 : x
  2. Step 2: Convert to fraction form
    85,636,766.34/118,178,854.47 = 46,478,543.76/x
  3. Step 3: Cross multiply
    85,636,766.34x = 118,178,854.47 × 46,478,543.76
  4. Step 4: Simplify right side
    85,636,766.34x = 5,492,781,058,990,566
  5. Step 5: Solve for x
    x = 5,492,781,058,990,566/85,636,766.34
  6. Step 6: Final answer
    x = 64,140,453.85

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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.