Home / 46,656,428.40-69,984,642.60-42,688,335.60

Finding the Fourth Proportional to 46,656,428.40, 69,984,642.60 and 42,688,335.60

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Solution

The fourth proportional to 46,656,428.40, 69,984,642.60 and 42,688,335.60 is: 64,032,503.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,656,428.40 : 69,984,642.60 = 42,688,335.60 : x
  2. Step 2: Convert to fraction form
    46,656,428.40/69,984,642.60 = 42,688,335.60/x
  3. Step 3: Cross multiply
    46,656,428.40x = 69,984,642.60 × 42,688,335.60
  4. Step 4: Simplify right side
    46,656,428.40x = 2,987,527,910,154,856.50
  5. Step 5: Solve for x
    x = 2,987,527,910,154,856.50/46,656,428.40
  6. Step 6: Final answer
    x = 64,032,503.40

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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.