Home / 53,223,894.60-79,835,841.90-47,849,123.40

Finding the Fourth Proportional to 53,223,894.60, 79,835,841.90 and 47,849,123.40

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Solution

The fourth proportional to 53,223,894.60, 79,835,841.90 and 47,849,123.40 is: 71,773,685.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,223,894.60 : 79,835,841.90 = 47,849,123.40 : x
  2. Step 2: Convert to fraction form
    53,223,894.60/79,835,841.90 = 47,849,123.40/x
  3. Step 3: Cross multiply
    53,223,894.60x = 79,835,841.90 × 47,849,123.40
  4. Step 4: Simplify right side
    53,223,894.60x = 3,820,075,050,815,990.50
  5. Step 5: Solve for x
    x = 3,820,075,050,815,990.50/53,223,894.60
  6. Step 6: Final answer
    x = 71,773,685.10

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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.