Home / 52,033,971.16-78,020,703.35-19,688,368.28

Finding the Fourth Proportional to 52,033,971.16, 78,020,703.35 and 19,688,368.28

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Solution

The fourth proportional to 52,033,971.16, 78,020,703.35 and 19,688,368.28 is: 29,521,105.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,033,971.16 : 78,020,703.35 = 19,688,368.28 : x
  2. Step 2: Convert to fraction form
    52,033,971.16/78,020,703.35 = 19,688,368.28/x
  3. Step 3: Cross multiply
    52,033,971.16x = 78,020,703.35 × 19,688,368.28
  4. Step 4: Simplify right side
    52,033,971.16x = 1,536,100,341,189,870.75
  5. Step 5: Solve for x
    x = 1,536,100,341,189,870.75/52,033,971.16
  6. Step 6: Final answer
    x = 29,521,105.29

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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.