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Finding the Fourth Proportional to 52,588,981.60, 78,883,472.40 and 35,602,050.40

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Solution

The fourth proportional to 52,588,981.60, 78,883,472.40 and 35,602,050.40 is: 53,403,075.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,588,981.60 : 78,883,472.40 = 35,602,050.40 : x
  2. Step 2: Convert to fraction form
    52,588,981.60/78,883,472.40 = 35,602,050.40/x
  3. Step 3: Cross multiply
    52,588,981.60x = 78,883,472.40 × 35,602,050.40
  4. Step 4: Simplify right side
    52,588,981.60x = 2,808,413,360,111,809
  5. Step 5: Solve for x
    x = 2,808,413,360,111,809/52,588,981.60
  6. Step 6: Final answer
    x = 53,403,075.60

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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.