Home / 53,223,856.60-79,835,784.90-47,849,085.40

Finding the Fourth Proportional to 53,223,856.60, 79,835,784.90 and 47,849,085.40

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Solution

The fourth proportional to 53,223,856.60, 79,835,784.90 and 47,849,085.40 is: 71,773,628.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,223,856.60 : 79,835,784.90 = 47,849,085.40 : x
  2. Step 2: Convert to fraction form
    53,223,856.60/79,835,784.90 = 47,849,085.40/x
  3. Step 3: Cross multiply
    53,223,856.60x = 79,835,784.90 × 47,849,085.40
  4. Step 4: Simplify right side
    53,223,856.60x = 3,820,069,289,656,130.50
  5. Step 5: Solve for x
    x = 3,820,069,289,656,130.50/53,223,856.60
  6. Step 6: Final answer
    x = 71,773,628.10

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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.