Home / 52,020,802.32-78,042,160.40-19,671,988.64

Finding the Fourth Proportional to 52,020,802.32, 78,042,160.40 and 19,671,988.64

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Solution

The fourth proportional to 52,020,802.32, 78,042,160.40 and 19,671,988.64 is: 29,512,126.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,020,802.32 : 78,042,160.40 = 19,671,988.64 : x
  2. Step 2: Convert to fraction form
    52,020,802.32/78,042,160.40 = 19,671,988.64/x
  3. Step 3: Cross multiply
    52,020,802.32x = 78,042,160.40 × 19,671,988.64
  4. Step 4: Simplify right side
    52,020,802.32x = 1,535,244,492,829,858
  5. Step 5: Solve for x
    x = 1,535,244,492,829,858/52,020,802.32
  6. Step 6: Final answer
    x = 29,512,126.39

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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.